Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [actions/github-script](https://github.com/actions/github-script).


Updates `actions/checkout` from 3.5.2 to 4.1.1
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.5.2...v4.1.1)

Updates `actions/github-script` from 6 to 7
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/benchmark.yml

@@ -7,6 +7,6 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request'
     steps:
-      - uses: actions/checkout@v3.5.2
+      - uses: actions/checkout@v4.1.1
       - uses: dtolnay/rust-toolchain@stable
       - run: "cargo bench"

.github/workflows/combine-prs.yml

@@ -30,7 +30,7 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         id: create-combined-pr
         name: Create Combined PR
         with: