.github: Bump peter-evans/create-pull-request from 5.0.1 to 7.0.1 (#13419)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5.0.1 to 7.0.1.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](https://github.com/peter-evans/create-pull-request/compare/284f54f989303d2699d373481a0cfa13ad5a6666...8867c4aba1b742c39f8d0ba35429c2dfa4b6cb20)

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

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

.github/workflows/update-flake.yml

@@ -35,7 +35,7 @@ jobs:
           private_key: ${{ secrets.LICENSING_APP_PRIVATE_KEY }}
 
       - name: Send pull request
-        uses: peter-evans/create-pull-request@284f54f989303d2699d373481a0cfa13ad5a6666 #v5.0.1
+        uses: peter-evans/create-pull-request@8867c4aba1b742c39f8d0ba35429c2dfa4b6cb20 #v7.0.1
         with:
           token: ${{ steps.generate-token.outputs.token }}
           author: Flakes Updater <noreply+flakes-updater@tailscale.com>