Bump peter-evans/create-pull-request from 3 to 4 (#321)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 3 to 4.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v3...v4)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/maintenance.yaml

@@ -23,7 +23,7 @@ jobs:
           cd ../..
           git submodule update --remote
           go generate ./...
-      - uses: peter-evans/create-pull-request@v3
+      - uses: peter-evans/create-pull-request@v4
         with:
           commit-message: |
             autogenerated maintenance