Update GitHub workflow (#5)

* Update lint.yml
* Update test.yml

Author: aalwash

.github/workflows/lint.yml

@@ -23,7 +23,7 @@ jobs:
         php-version: ${{ matrix.php-versions }}
 
     - name: Cache Composer dependencies
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: /tmp/composer-cache
         key: ${{ runner.os }}-php${{ matrix.php-versions }}-${{ hashFiles('**/composer.lock') }}

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
         php-version: ${{ matrix.php-versions }}
 
     - name: Cache Composer dependencies
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: /tmp/composer-cache
         key: ${{ runner.os }}-php${{ matrix.php-versions }}-${{ hashFiles('**/composer.lock') }}