PRs do not invoke Antora Docs Build

Author: rwinch

.github/workflows/ci.yml

@@ -41,6 +41,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     needs: [build]
+    if: ${{ needs.build.outputs.should-deploy-artifacts == 'true' }}
     steps:
       - uses: actions/checkout@v4
       - name: Dispatch (partial build)