chore(deps): update actions/cache action to v5

Author: text-html-renovate[bot]

.github/workflows/documentation.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Cache Composer packages
         id: composer-apigen-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: tools/apigen/vendor
           key: ${{ runner.os }}-${{ hashFiles('tools/apigen/composer.lock') }}

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Cache Composer packages
         id: composer-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-php-${{ matrix.php-versions }}-${{ hashFiles('composer.json') }}