chore(deps): bump the github-actions-dependencies group with 1 update

Bumps the github-actions-dependencies group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 3 to 4
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/__build-website.yml

@@ -47,7 +47,7 @@ jobs:
         run: yarn install --frozen-lockfile
 
       - name: ♻️ Webpack cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: website/node_modules/.cache/webpack
           key: ${{ runner.os }}-webpack-${{ github.sha }}