chore(deps): update actions/cache action to v4

Author: renovate[bot]

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
         run: cd nuxt && echo "::set-output name=dir::$(yarn cache dir)"
 
       - name: Cache node_modules 📦
-        uses: actions/cache@v3.0.8
+        uses: actions/cache@v4.0.0
         id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}