ci: Make java build only work on feast-dev/feast because it uses Feast secrets (#3054)

ci: Make java build only work on feast-dev/feast because it relies on Feast secrets

Signed-off-by: Danny Chiao <[email protected]>

Author: adchia

.github/workflows/java_pr.yml

@@ -54,6 +54,7 @@ jobs:
           path: ${{ github.workspace }}/docs/coverage/java/target/site/jacoco-aggregate/
 
   build-docker-image-java:
+    if: github.repository == 'feast-dev/feast'
     runs-on: ubuntu-latest
     strategy:
       matrix: