Added quality tag to js/regex/duplicate-in-character-class

Author: Napalys

javascript/ql/integration-tests/query-suite/javascript-code-quality.qls.expected

@@ -3,4 +3,5 @@ ql/javascript/ql/src/Expressions/ExprHasNoEffect.ql
 ql/javascript/ql/src/Expressions/MissingAwait.ql
 ql/javascript/ql/src/LanguageFeatures/SpuriousArguments.ql
 ql/javascript/ql/src/Quality/UnhandledErrorInStreamPipeline.ql
+ql/javascript/ql/src/RegExp/DuplicateCharacterInCharacterClass.ql
 ql/javascript/ql/src/RegExp/RegExpAlwaysMatches.ql

javascript/ql/src/RegExp/DuplicateCharacterInCharacterClass.ql

@@ -5,7 +5,8 @@
  * @kind problem
  * @problem.severity warning
  * @id js/regex/duplicate-in-character-class
- * @tags reliability
+ * @tags quality
+ *       reliability
  *       correctness
  *       regular-expressions
  * @precision very-high