Upgrade CircleCI macOS builders to m1 (#6688)

Only show in developer changelog

.circleci/config.yml

@@ -11,13 +11,24 @@
 version: 2.1
 orbs:
   aws-cli: circleci/[email protected]
+  macos: circleci/[email protected] # For Rosetta (see below)
+  node: circleci/[email protected] # For a recent npm version (see below)
 jobs:
   # Build the **entire** app for macOS.
   build-macos:
     macos:
       xcode: 14.2.0
+    resource_class: macos.m1.large.gen1
     steps:
       - checkout
+      # Install Rosetta for AWS CLI and disable TSO to speed up S3 uploads (https://support.circleci.com/hc/en-us/articles/19334402064027-Troubleshooting-slow-uploads-to-S3-for-jobs-using-an-m1-macOS-resource-class)
+      - macos/install-rosetta
+      - run: sudo sysctl net.inet.tcp.tso=0
+
+      # Install a recent version of npm to workaround a notarization issue because of a symlink made by npm: https://github.com/electron-userland/electron-builder/issues/7755
+      # Node.js v20.14.0 comes with npm v10.7.0.
+      - node/install:
+          node-version: "20.14.0"
 
       # System dependencies (for Emscripten and upload)
       - run: