brew install llvm

Change-Id: If689f3f2cf453db6804c777b5394743044ad94ad

Author: rdementi

.github/workflows/macos-scan-build.yml

@@ -30,6 +30,10 @@ jobs:
             exit 1
           }
 
+    - name: install brew
+      run: |
+        brew install llvm
+
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         submodules: recursive