Add missing phpstan-phpunit; this should fix the recognition of mock-objects

Author: tvdijen

.github/workflows/php.yml

@@ -20,7 +20,7 @@ jobs:
       matrix:
         php-version: ['8.2', '8.3', '8.4', '8.5']
 
-    uses: simplesamlphp/simplesamlphp-test-framework/.github/workflows/[email protected].4
+    uses: simplesamlphp/simplesamlphp-test-framework/.github/workflows/[email protected].5
     with:
       php-version: ${{ matrix.php-version }}
 
@@ -29,7 +29,7 @@ jobs:
     strategy:
       fail-fast: false
 
-    uses: simplesamlphp/simplesamlphp-test-framework/.github/workflows/[email protected].4
+    uses: simplesamlphp/simplesamlphp-test-framework/.github/workflows/[email protected].5
     with:
       enable_eslinter: false
       enable_jsonlinter: true

composer.json

@@ -24,16 +24,17 @@
         "php": "^8.2",
         "ext-curl": "*",
 
+        "icanhazstring/composer-unused": "^0.9",
+        "maglnet/composer-require-checker": "^4",
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^2.1",
         "phpstan/phpstan-mockery": "^2.0",
+        "phpstan/phpstan-phpunit": "^2.0",
         "phpunit/phpunit": "^11.5 || ^12.3",
         "psr/log": "^3.0",
         "slevomat/coding-standard": "^8.20",
         "squizlabs/php_codesniffer": "^3.13 || ^4.0",
-        "symfony/phpunit-bridge": "^7.3 || ^8.0",
-        "maglnet/composer-require-checker": "^4",
-        "icanhazstring/composer-unused": "^0.9"
+        "symfony/phpunit-bridge": "^7.3 || ^8.0"
     },
     "require-dev": {
         "simplesamlphp/simplesamlphp": "^2.4"