Updated dependencies

.gitattributes

@@ -3,4 +3,4 @@
 /composer.lock export-ignore
 /docs          export-ignore
 /phpunit.xml   export-ignore
-/tests         export-ignore
+/tests         export-ignore

.github/workflows/php.yml → .github/workflows/tests.yml

@@ -1,4 +1,4 @@
-name: PHP Composer
+name: Tests
 
 on:
   push:
@@ -7,26 +7,31 @@ on:
     branches: [ master ]
 
 jobs:
-  build:
-
+  tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version:
+          - "8.1"
+          - "8.3"
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: "actions/checkout@v3"
+    - uses: "shivammathur/setup-php@v2"
+      with:
+        php-version: ${{ matrix.php-version }}
 
     - name: Validate composer.json and composer.lock
       run: composer validate --strict
 
     - name: Cache Composer packages
       id: composer-cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: vendor
-        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        key: ${{ runner.os }}-php-${{ matrix.php-version }}-${{ hashFiles('**/composer.lock') }}
 
-    - name: Install dependencies
+    - name: Install Composer dependencies
       run: composer install --prefer-dist --no-progress
 
     - name: Run test suite

composer.json

@@ -31,4 +31,4 @@
 		"test":  "XDEBUG_MODE=coverage vendor/bin/phpunit --coverage-text"
 	},
 	"bin": ["bin/repdoc"]
-}
+}