Tag 'linter-like' quality queries that use pointto

Excluded for now: unnecassary-delete; since the pattern is often intentional to break reference cycles, which the query doesn't account for; so uncertain about its claim of high precision

python/ql/src/Statements/UseOfExit.ql

@@ -2,7 +2,9 @@
  * @name Use of exit() or quit()
  * @description exit() or quit() may fail if the interpreter is run with the -S option.
  * @kind problem
- * @tags maintainability
+ * @tags quality
+ *       reliability
+ *       correctness
  * @problem.severity warning
  * @sub-severity low
  * @precision very-high