chore(deps): update dependency com.google.cloud:libraries-bom to v26.15.0 (#2702)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://cloud.google.com/java/docs/bom) ([source](https://togithub.com/googleapis/java-cloud-bom)) | `26.14.0` -> `26.15.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.15.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.15.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.15.0/compatibility-slim/26.14.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/26.15.0/confidence-slim/26.14.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-cloud-bom</summary>

### [`v26.15.0`](https://togithub.com/googleapis/java-cloud-bom/blob/HEAD/CHANGELOG.md#&#8203;26150-httpsgithubcomgoogleapisjava-cloud-bomcomparev26140v26150-2023-05-16)

[Compare Source](https://togithub.com/googleapis/java-cloud-bom/compare/v26.14.0...v26.15.0)

##### Dependencies

-   update dependency com.google.cloud:first-party-dependencies to v3.9.0 ([#&#8203;5974](https://togithub.com/googleapis/java-cloud-bom/issues/5974)) ([3730711](https://togithub.com/googleapis/java-cloud-bom/commit/3730711dbf7616fcc914a65a1e956b26a13beee3))
-   update dependency com.google.cloud:gapic-libraries-bom to v1.11.0 ([#&#8203;5981](https://togithub.com/googleapis/java-cloud-bom/issues/5981)) ([26d29e3](https://togithub.com/googleapis/java-cloud-bom/commit/26d29e38e2ee6e46fce204e001f6ac292c1d1ab3))
-   update dependency com.google.cloud:google-cloud-bigquery to v2.26.0 ([#&#8203;5989](https://togithub.com/googleapis/java-cloud-bom/issues/5989)) ([7cbc31a](https://togithub.com/googleapis/java-cloud-bom/commit/7cbc31ac30d95fdd31b6e94d7af79fc1a021b059))
-   update dependency com.google.cloud:google-cloud-bigquerystorage-bom to v2.37.0 ([#&#8203;5986](https://togithub.com/googleapis/java-cloud-bom/issues/5986)) ([e72a9b9](https://togithub.com/googleapis/java-cloud-bom/commit/e72a9b9a7282e87d68de1465e61310814476debe))
-   update dependency com.google.cloud:google-cloud-bigtable-bom to v2.23.0 ([#&#8203;5975](https://togithub.com/googleapis/java-cloud-bom/issues/5975)) ([7670085](https://togithub.com/googleapis/java-cloud-bom/commit/7670085733f6803849fa027da53d956d55a0afa6))
-   update dependency com.google.cloud:google-cloud-bigtable-bom to v2.23.1 ([#&#8203;5982](https://togithub.com/googleapis/java-cloud-bom/issues/5982)) ([6555f26](https://togithub.com/googleapis/java-cloud-bom/commit/6555f26029d1cbfa21898cd0b25cd19728d588c6))
-   update dependency com.google.cloud:google-cloud-datastore-bom to v2.14.6 ([#&#8203;5976](https://togithub.com/googleapis/java-cloud-bom/issues/5976)) ([4b33ff3](https://togithub.com/googleapis/java-cloud-bom/commit/4b33ff3331897654215d306925aa10c11bfff5a5))
-   update dependency com.google.cloud:google-cloud-firestore-bom to v3.11.0 ([#&#8203;5990](https://togithub.com/googleapis/java-cloud-bom/issues/5990)) ([34e6d13](https://togithub.com/googleapis/java-cloud-bom/commit/34e6d13eb868a2578752b4468dc0df03e27768c2))
-   update dependency com.google.cloud:google-cloud-logging-bom to v3.15.0 ([#&#8203;5973](https://togithub.com/googleapis/java-cloud-bom/issues/5973)) ([6b5e212](https://togithub.com/googleapis/java-cloud-bom/commit/6b5e21232feb9b44fa9943ac7efb78544d88cae0))
-   update dependency com.google.cloud:google-cloud-logging-bom to v3.15.1 ([#&#8203;5983](https://togithub.com/googleapis/java-cloud-bom/issues/5983)) ([ab7420a](https://togithub.com/googleapis/java-cloud-bom/commit/ab7420a3e05b121c4a4f12d0ef1a0029aa116738))
-   update dependency com.google.cloud:google-cloud-logging-logback to v0.130.12-alpha ([#&#8203;5987](https://togithub.com/googleapis/java-cloud-bom/issues/5987)) ([903db64](https://togithub.com/googleapis/java-cloud-bom/commit/903db645e4cc353cfdf4bf1f2ddc03de0c029bba))
-   update dependency com.google.cloud:google-cloud-nio to v0.126.15 ([#&#8203;5980](https://togithub.com/googleapis/java-cloud-bom/issues/5980)) ([c30c6db](https://togithub.com/googleapis/java-cloud-bom/commit/c30c6db9a14ed16039f55cdb3ae53f736c300bda))
-   update dependency com.google.cloud:google-cloud-pubsub-bom to v1.123.12 ([#&#8203;5984](https://togithub.com/googleapis/java-cloud-bom/issues/5984)) ([f0c8b46](https://togithub.com/googleapis/java-cloud-bom/commit/f0c8b46d8003d9eabd72f99e37a3c0e66cd00521))
-   update dependency com.google.cloud:google-cloud-pubsublite-bom to v1.12.5 ([#&#8203;5988](https://togithub.com/googleapis/java-cloud-bom/issues/5988)) ([d537c53](https://togithub.com/googleapis/java-cloud-bom/commit/d537c532eef156625281e4bf8ef4712c97af4ebb))
-   update dependency com.google.cloud:google-cloud-spanner-bom to v6.42.0 ([#&#8203;5991](https://togithub.com/googleapis/java-cloud-bom/issues/5991)) ([530dc1b](https://togithub.com/googleapis/java-cloud-bom/commit/530dc1b7358b980dad755d1fe4624e0f46c89f4d))
-   update dependency com.google.cloud:google-cloud-spanner-jdbc to v2.9.16 ([#&#8203;5985](https://togithub.com/googleapis/java-cloud-bom/issues/5985)) ([f47314a](https://togithub.com/googleapis/java-cloud-bom/commit/f47314a7f5590983a0b3ebb1c0394aa2572fa94a))
-   update dependency com.google.cloud:google-cloud-storage-bom to v2.22.2 ([#&#8203;5978](https://togithub.com/googleapis/java-cloud-bom/issues/5978)) ([f61a097](https://togithub.com/googleapis/java-cloud-bom/commit/f61a097ee841ec5176f797c86a4f60ba519110bb))

</details>

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README.md

@@ -21,7 +21,7 @@ See https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/The-Google
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>26.14.0</version>
+      <version>26.15.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>

samples/native-image-sample/pom.xml

@@ -39,7 +39,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.14.0</version>
+        <version>26.15.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>

samples/snippets/pom.xml

@@ -47,7 +47,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.14.0</version>
+        <version>26.15.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>