build(deps): bump peter-evans/create-pull-request from 4.1.3 to 4.2.0

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 4.1.3 to 4.2.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v4.1.3...v4.2.0)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/watch-dependencies.yaml

@@ -75,7 +75,7 @@ jobs:
       # ref: https://github.com/peter-evans/create-pull-request
       - name: Create a PR
         if: steps.local.outputs.tag != steps.latest.outputs.tag
-        uses: peter-evans/create-pull-request@v4.1.3
+        uses: peter-evans/create-pull-request@v4.2.0
         with:
           token: "${{ secrets.jupyterhub_bot_pat }}"
           author: JupterHub Bot Account <[email protected]>
@@ -107,7 +107,7 @@ jobs:
 
       # ref: https://github.com/peter-evans/create-pull-request
       - name: Create a PR
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v4.2.0
         with:
           token: "${{ secrets.jupyterhub_bot_pat }}"
           author: JupyterHub Bot Account <[email protected]>