Add more versions to pest matrix

Author: maantje

.github/workflows/pest.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: [8.2, 8.3, 8.4]
+        php-version: [8.1, 8.2, 8.3, 8.4]
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
@@ -25,11 +25,11 @@ jobs:
         uses: actions/cache@v4
         with:
           path: vendor
-          key: ${{ runner.os }}-composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.json') }}
+          key: ${{ runner.os }}-composer-${{ matrix.php-version }}-pest
           restore-keys: ${{ runner.os }}-composer-${{ matrix.php-version }}-
 
       - name: Install Dependencies
-        run: composer install --no-progress --prefer-dist --no-interaction
+        run: composer require pestphp/pest --with-dependencies
 
       - name: Run Pest
         run: vendor/bin/pest