Update branch name

Author: TharmiganK

.github/workflows/publish-ballerina-to-openapi.yml

@@ -44,5 +44,5 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.BALLERINA_BOT_TOKEN }}
         run: |
-          git push origin ballerina-to-openapi-release:${VERSION}
+          git push origin ballerina-to-openapi-release-${VERSION}
           gh pr create --base ${GITHUB_REF##*/} --title "[Automated] Sync ${GITHUB_REF##*/} after ballerina-to-openapi:${VERSION} release" --body "Sync ${GITHUB_REF##*/} after Ballerina to OpenAPI - ${VERSION} release"