ci: Add build and test on macOS

Building and testing Wakaama on macOS with the default compiler and no
additional sanitizers. This makes sure that the code can be used with
macOS.

.github/workflows/macos.yaml

@@ -0,0 +1,40 @@
+name: Build and Test on macOS
+
+on:
+  push:
+    branches: '**'
+  pull_request:
+    branches: '**'
+
+jobs:
+  build_and_test:
+    runs-on: macos-14
+
+    steps:
+    - name: Checkout code including full history and submodules
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+        fetch-depth: 0
+
+    - name: Install dependencies from Homebrew
+      run: |
+        brew install automake cmake cunit gnu-getopt make ninja
+
+    - name: Build all binaries
+      run: |
+        tools/ci/run_ci.sh --run-build  --verbose
+
+    - name: Build, execute sanitized unit tests
+      run: |
+        tools/ci/run_ci.sh --run-tests
+
+    - name: Install dependencies
+      run: |
+          python -m pip install --upgrade pip
+          pip install -r tests/integration/requirements.txt
+
+    - name: Execute integration tests
+      run: |
+          python -c "import sys; print(sys.version)"
+          pytest -v tests/integration