Review suggestions - update some tags

Author: joefarebrother

python/ql/src/Expressions/EqualsNone.ql

@@ -5,6 +5,7 @@
  * @tags quality
  *       reliability
  *       correctness
+ *       performance
  * @problem.severity recommendation
  * @sub-severity high
  * @precision very-high

python/ql/src/Expressions/Regex/DuplicateCharacterInSet.ql

@@ -3,7 +3,7 @@
  * @description Duplicate characters in a class have no effect and may indicate an error in the regular expression.
  * @kind problem
  * @tags quality
- *       reliability
+ *       maintainability
  *       readability
  * @problem.severity warning
  * @sub-severity low

python/ql/src/Functions/IncorrectlyOverriddenMethod.ql

@@ -3,8 +3,8 @@
  * @description Method has a different signature from the overridden method and, if it were called, would be likely to cause an error.
  * @kind problem
  * @tags quality
- *       maintainability
- *       readability
+ *       reliability
+ *       correctness
  * @problem.severity error
  * @sub-severity low
  * @precision high

python/ql/src/Functions/IncorrectlySpecifiedOverriddenMethod.ql

@@ -4,8 +4,8 @@
  *              the arguments with which it is called, and if it were called, would be likely to cause an error.
  * @kind problem
  * @tags quality
- *       maintainability
- *       readability
+ *       reliability
+ *       correctness
  * @problem.severity recommendation
  * @sub-severity high
  * @precision high

python/ql/src/Statements/TopLevelPrint.ql

@@ -3,8 +3,8 @@
  * @description Using a print statement at module scope (except when guarded by `if __name__ == '__main__'`) will cause surprising output when the module is imported.
  * @kind problem
  * @tags quality
- *       maintainability
- *       readability
+ *       reliability
+ *       correctness
  * @problem.severity recommendation
  * @sub-severity high
  * @precision high