ci: skip GPG signing for tests job

Author: bevzzz

.github/workflows/test.yaml

@@ -98,4 +98,4 @@ jobs:
         AZURE_CLIENT_SECRET: ${{ secrets.AZURE_CLIENT_SECRET }}
         OPENAI_APIKEY: ${{ secrets.OPENAI_APIKEY }}
         WEAVIATE_VERSION: ${{ matrix.WEAVIATE_VERSION }}
-      run: mvn verify
+      run: mvn verify -Dgpg.skip