Use new branch name format for release please CI tests

Author: lukekarrys

.github/workflows/release-please.yml

@@ -30,5 +30,5 @@ jobs:
   test:
     name: Release Test
     needs: [ release-please ]
-    if: needs.release-please.outputs.pr || startsWith(github.head_ref, 'release-v')
+    if: needs.release-please.outputs.pr || startsWith(github.head_ref, 'release-please--')
     uses: ./.github/workflows/tests.yml