another solution

Author: treegardel

.github/workflows/testMacOS.yaml

@@ -27,9 +27,9 @@ jobs:
         run: |
           brew update
           brew install cmake boost gtk+3 hdf5 libomp llvm
-      
+
       - name: Add Homebrew to PATH
-        run: echo 'export PATH="/opt/homebrew/bin:$PATH"' >> $GITHUB_ENV
+        run: echo "/opt/homebrew/bin" >> $GITHUB_PATH
 
       - name: Configure Homebrew clang (symlink for easier access)
         run: |