[Infra] Update messaging workflow to use macOS 15 for Xcode 16 (#14089)

Author: andrewheard

.github/workflows/messaging.yml

@@ -59,24 +59,23 @@ jobs:
  matrix:
  podspec: [FirebaseMessagingInterop.podspec, FirebaseMessaging.podspec]
  target: [ios, tvos, macos --skip-tests, watchos --skip-tests] # skipping tests on mac because of keychain access
- os: [macos-14]
- include:
+ build-env:
  - os: macos-14
  xcode: Xcode_15.3
  tests: --test-specs=unit
- - os: macos-14
- xcode: Xcode_16
+ - os: macos-15
+ xcode: Xcode_16.1
  tests: --skip-tests
- runs-on: ${{ matrix.os }}
+ runs-on: ${{ matrix.build-env.os }}
  steps:
  - uses: actions/checkout@v4
  - uses: ruby/setup-ruby@v1
  - name: Setup Bundler
  run: scripts/setup_bundler.sh
  - name: Xcode
- run: sudo xcode-select -s /Applications/${{ matrix.xcode }}.app/Contents/Developer
+ run: sudo xcode-select -s /Applications/${{ matrix.build-env.xcode }}.app/Contents/Developer
  - name: Build and test
- run: scripts/third_party/travis/retry.sh scripts/pod_lib_lint.rb ${{ matrix.podspec }} ${{ matrix.tests }} --platforms=${{ matrix.target }}
+ run: scripts/third_party/travis/retry.sh scripts/pod_lib_lint.rb ${{ matrix.podspec }} ${{ matrix.build-env.tests }} --platforms=${{ matrix.target }}
 
  spm-package-resolved:
  env:
@@ -115,22 +114,22 @@ jobs:
  xcode: Xcode_15.4
  target: iOS spmbuildonly
  - os: macos-15
- xcode: Xcode_16
+ xcode: Xcode_16.1
  target: iOS spm
  - os: macos-15
- xcode: Xcode_16
+ xcode: Xcode_16.1
  target: tvOS spmbuildonly
  - os: macos-15
- xcode: Xcode_16
+ xcode: Xcode_16.1
  target: macOS spmbuildonly
  - os: macos-15
- xcode: Xcode_16
+ xcode: Xcode_16.1
  target: watchOS spmbuildonly
  - os: macos-15
- xcode: Xcode_16
+ xcode: Xcode_16.1
  target: catalyst spmbuildonly
  - os: macos-15
- xcode: Xcode_16
+ xcode: Xcode_16.1
  target: visionOS spmbuildonly
  runs-on: ${{ matrix.os }}
  steps:
@@ -170,8 +169,8 @@ jobs:
  strategy:
  matrix:
  include:
- - os: macos-14
- xcode: Xcode_15.3
+ - os: macos-15
+ xcode: Xcode_16.1
  runs-on: ${{ matrix.os }}
  steps:
  - uses: actions/checkout@v4