Minor updates (#9)

.github/workflows/ci.yml

@@ -8,7 +8,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - uses: php-actions/composer@v1
-    - uses: php-actions/phpunit@v2
+    - uses: php-actions/composer@v6
       with:
-        config: phpunit.xml
+        php_version: 7.4
+    - uses: php-actions/phpunit@v3
+      with:
+        configuration: phpunit.xml
+        php_version: 7.4
+        version: 8.5

composer.json

@@ -9,7 +9,8 @@
         }
     },
     "require": {
-        "league/oauth2-server": "^7|^8"
+        "league/oauth2-server": "^8",
+        "nyholm/psr7": "^1.3"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.5",
@@ -33,8 +34,5 @@
             "email": "[email protected]"
         }
     ],
-    "minimum-stability": "stable",
-    "scripts": {
-        "post-install-cmd": "chmod 600 ./vendor/league/oauth2-server/tests/Stubs/private.key"
-    }
+    "minimum-stability": "stable"
 }