Automated Project Update Bot fixes

Relates to #3462932. This merge request was automatically created by the Project Update Bot. It contains the changes from run 11-229708.

tests/src/Unit/CivicthemeUtilityUnitTest.php

@@ -192,7 +192,7 @@ class CivicthemeUtilityUnitTest extends CivicthemeUnitTestBase {
   /**
    * Data provider for testAddModifierClass().
    */
-  public function dataProviderAddModifierClass() {
+  public static function dataProviderAddModifierClass() {
     return [
       'add single class' => [
         ['modifier_class' => 'class1'],
@@ -230,7 +230,7 @@ class CivicthemeUtilityUnitTest extends CivicthemeUnitTestBase {
   /**
    * Data provider for testRemoveModifierClass().
    */
-  public function dataProviderRemoveModifierClass() {
+  public static function dataProviderRemoveModifierClass() {
     return [
       'remove single class' => [
         ['modifier_class' => 'class1 class2'],