Bump peter-evans/create-pull-request from 6 to 7 (#2010)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6 to 7.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v6...v7)

---
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/periodic-cargo-update.yml

@@ -17,7 +17,7 @@ jobs:
       working-directory: wasm-node/rust
     - run: cargo update
       working-directory: full-node
-    - uses: peter-evans/create-pull-request@v6
+    - uses: peter-evans/create-pull-request@v7
       with:
         # We use a custom secret (rather than the default GITHUB_TOKEN) so that opening the pull
         # request triggers other actions such as the CI checks. GitHub prevents actions that use