Apply suggestions from code review

Author: JakeSCahill

.github/workflows/update-extensions.yml

@@ -49,8 +49,7 @@ jobs:
         uses: peter-evans/create-pull-request@v6
         with:
           token: ${{ env.ACTIONS_BOT_TOKEN }}
--         commit-message: auto-docs: Update @redpanda-data/docs-extensions-and-macros
-+         commit-message: "auto-docs: Update @redpanda-data/docs-extensions-and-macros"
+          commit-message: "auto-docs: Update @redpanda-data/docs-extensions-and-macros"
           labels: auto-docs
           title: auto-docs: Update @redpanda-data/docs-extensions-and-macros
           body: |