Update GitHub Actions to latest versions

Author: koriym

.github/workflows/continuous-integration.yml

@@ -25,7 +25,7 @@ jobs:
           - '8.4'
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Setup PHP ${{ matrix.php-version }}
         uses: shivammathur/setup-php@v2
@@ -40,7 +40,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
@@ -53,6 +53,6 @@ jobs:
         run: php -d xdebug.mode=coverage ./vendor/bin/phpunit --coverage-clover=coverage.xml
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: false