run tests for macos-x64 target only on main (a release) branch

Author: marxin

.github/workflows/test.yaml

@@ -942,6 +942,8 @@ jobs:
       - name: ${{ matrix.stage.description }}
         shell: bash
         run: make ${{ matrix.stage.make }}
+        # For MacOS x64 - run tests only on main or release branches
+        if: github.event_name != 'pull_request' || startsWith(github.head_ref, 'release-') || matrix.metadata.os != 'macos-15-intel'
         env:
           TARGET: ${{ matrix.metadata.target }}
           TARGET_DIR: target/${{ matrix.metadata.target }}/release