CI: Bump JamesIves/github-pages-deploy-action from 4.7.3 to 4.7.4

Bumps [JamesIves/github-pages-deploy-action](https://github.com/jamesives/github-pages-deploy-action) from 4.7.3 to 4.7.4.
- [Release notes](https://github.com/jamesives/github-pages-deploy-action/releases)
- [Commits](JamesIves/github-pages-deploy-action@v4.7.3...v4.7.4)

---
updated-dependencies:
- dependency-name: JamesIves/github-pages-deploy-action
  dependency-version: 4.7.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/libjs-test262.yml

@@ -148,7 +148,7 @@ jobs:
         run: ./libjs-test262/per_file_result_diff.py -o old-libjs-data/wasm/per-file-master.json -n libjs-data/wasm/per-file-master.json
 
       - name: Deploy to GitHub
-        uses: JamesIves/github-pages-deploy-action@v4.7.3
+        uses: JamesIves/github-pages-deploy-action@v4.7.4
         with:
           git-config-name: LadybirdBot
           git-config-email: ladybirdbot@ladybird.org