Remove contents read permission from tests.yml

Removed permissions for contents in the workflow.

Author: MaximillianGroup

.github/workflows/tests.yml

@@ -8,9 +8,6 @@ on:
   pull_request:
     branches: [ main, develop ]
 
-permissions:
-  contents: read
-
 jobs:
   test:
     name: PHP ${{ matrix.php-version }} Tests