Try bumping "actions/cache" to v4 now that the path on Windows is fixed.

.github/workflows/build.yml

@@ -33,7 +33,7 @@ jobs:
         run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader --ignore-platform-reqs
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}