Merge pull request #847 from doctrine/dependabot/github_actions/actions/cache-4

Bump actions/cache from 3 to 4

Author: greg0ire

.github/workflows/continuous-integration.yml

@@ -66,7 +66,7 @@ jobs:
           key: "extcache-v1"
 
       - name: Cache extensions
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.extcache.outputs.dir }}
           key: ${{ steps.extcache.outputs.key }}