Trace MacOS system information

.github/workflows/ci.yml

@@ -15,6 +15,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: System information
+        run: uname -a
       - name: Build and test
         run: |
           ./project.sh test all
@@ -24,6 +26,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: System information
+        run: uname -a
+      - name: MacOS version
+        run: sw_vers -productVersion
       - name: Install LLVM
         run: |
           brew list llvm || brew install llvm