Update pull_request.yml

Author: Stefterv

.github/workflows/pull_request.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Setup Ant
         uses: cedx/setup-ant@v3
       - name: Install Certificates for Code Signing
-        if: ${{ matrix.os_prefix == 'macos' && secrets.CERTIFICATES_P12 != '' }}
+        if: ${{ matrix.os_prefix == 'macos' && github.secrets.CERTIFICATES_P12 != '' }}
         uses: apple-actions/import-codesign-certs@v3
         with:
           p12-file-base64: ${{ secrets.CERTIFICATES_P12 }}