fix(gha): Pin workflow version and use prebuild default script.

Author: mikaeld

.github/workflows/build-and-push.yaml

@@ -12,9 +12,8 @@ jobs:
       contents: read
       id-token: write
       packages: write
-    uses: mozilla-it/deploy-actions/.github/workflows/build-and-push.yml@main
+    uses: mozilla-it/deploy-actions/.github/workflows/build-and-push.yml@v4.0.4
     with:
       image_name: phabricator
       gar_name: phabricator-prod
       project_id: moz-fx-phabricator-prod
-      prebuild_script: true