Bump peter-evans/create-pull-request from 7 to 8 (#4288)

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
...

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

Author: dependabot[bot]

.github/workflows/compress-images.yml

@@ -59,7 +59,7 @@ jobs:
           github.event_name != 'pull_request' &&
           steps.calibre.outputs.markdown != ''
         id: cpr
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           title: Auto Compress Images
           branch-suffix: timestamp

.github/workflows/predeploy.yml

@@ -79,7 +79,7 @@ jobs:
         npm run timestamps
     - name: Create Pull Request
       id: cpr
-      uses: peter-evans/create-pull-request@v7
+      uses: peter-evans/create-pull-request@v8
       with:
         title: Pre-deploy Updates
         branch-suffix: timestamp