chore: Disable snapshot releases

Author: erezrokah

.github/workflows/release_pr.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: google-github-actions/release-please-action@v3
         id: release
         with:
-          release-type: java
+          release-type: simple
           package-name: plugin-pb-java
           token: ${{ secrets.GH_CQ_BOT }}
           pull-request-title-pattern: "chore${scope}: Release${component} v${version}"