Bump peter-evans/create-pull-request from 7 to 8 (#496)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 7 to 8.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v7...v8)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-version: '8'
  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>

Author: dependabot[bot]

.github/workflows/sync-test-fixtures.yml

@@ -20,7 +20,7 @@ jobs:
           rsync -a --delete "$TMP_DIR/dnsimple-developer-main/fixtures/v2/" tests/fixtures/v2/
           echo "now=$(date +'%Y-%m-%d %H:%M:%S')" >> "$GITHUB_OUTPUT"
       - name: Create PR with synced fixtures
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           sign-commits: true
           add-paths: tests/fixtures/v2/