removed code coverage option

Author: almostengr

.github/workflows/run-php-unit-tests.yml

@@ -37,4 +37,4 @@ jobs:
     #   run: composer run-script test
 
     - name: Run PHPUnit tests
-      run: vendor/bin/phpunit --coverage-text --colors=never
+      run: vendor/bin/phpunit --colors=never