Backmerging with msft commits

.github/actions/macos-ci-setup/action.yml

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+name: "macOS CI pipeline setup steps"
+description: "Common setup steps for macOS CI pipelines"
+
+inputs:
+  platform_machine:
+    required: false
+    type: string
+    default: "arm64"
+  python_version:
+    required: false
+    type: string
+    default: "3.11"
+  node_version:
+    required: false
+    type: string
+    default: "20.x"
+  java_version:
+    required: false
+    type: string
+    default: "17"
+  xcode_version:
+    required: false
+    type: string
+    default: "16"
+  use_cache:
+    required: false
+    type: boolean
+    default: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Use Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ inputs.python_version }}
+
+    - name: Verify machine architecture
+      shell: python
+      run: |
+        import platform
+        print(f"Running on {platform.machine()}")
+        assert platform.machine().lower() == "${{ inputs.platform_machine}}", "This job expects to be run on an ${{ inputs.platform_machine}} machine."
+
+    - name: Use Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ inputs.node_version }}
+
+    - name: Install coreutils and ninja
+      shell: bash
+      run: brew install coreutils ninja
+
+    - name: Install Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: "temurin"
+        java-version: ${{ inputs.java_version }}
+
+    - name: Use Xcode ${{ inputs.xcode_version }}
+      shell: bash
+      run: |
+        XCODE_DEVELOPER_DIR="/Applications/Xcode_${{ inputs.xcode_version }}.app/Contents/Developer"
+        sudo xcode-select --switch "${XCODE_DEVELOPER_DIR}"
+
+    - name: Export GitHub Actions cache environment variables
+      if: ${{ inputs.use_cache }}
+      uses: actions/github-script@v7
+      with:
+        script: |
+          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
+
+    - name: Install python dependencies
+      shell: bash
+      working-directory: ${{ github.workspace }}
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install -r requirements-dev.txt