Remove explicit mention of config from workflow

Author: marijnvanwezel

.github/workflows/main.yml

@@ -34,6 +34,5 @@ jobs:
       - name: Run unit tests
         uses: php-actions/phpunit@v3
         with:
-          configuration: phpunit.xml.dist
           php_version: ${{ matrix.php-version }}
-          args: --testsuite "Unit"
+          args: --testsuite unit

phpunit.xml.dist

@@ -2,11 +2,11 @@
 <phpunit colors="true" verbose="true"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
-         bootstrap="./vendor/autoload.php"
+         bootstrap="vendor/autoload.php"
 >
     <testsuites>
-        <testsuite name="Unit">
-            <directory>./tests/Unit</directory>
+        <testsuite name="unit">
+            <directory>tests/Unit</directory>
         </testsuite>
     </testsuites>
 </phpunit>