Bump peter-evans/create-pull-request from 3 to 7

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 3 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v3...v7)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/generate_grants.yml

@@ -17,7 +17,7 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Create PR
-      uses: peter-evans/create-pull-request@v3
+      uses: peter-evans/create-pull-request@v7
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         commit-message: "update the list of grants (generated)"