Add missing quotes

Author: rhpvorderman

.github/workflows/ci.yml

@@ -99,7 +99,7 @@ jobs:
         uses: codecov/codecov-action@v1
 
   test-arch:
-    if: startsWith(github.ref, 'refs/tags') || github.ref == refs/heads/develop || github.ref == refs/heads/main
+    if: startsWith(github.ref, 'refs/tags') || github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main'
     name: Test on ${{ matrix.distro }} ${{ matrix.arch }}
     runs-on: "ubuntu-latest"
     needs: lint