[C#] Filter constant comparison checks.

Author: mjpt777

.github/codeql/codeql-config.yml

@@ -20,6 +20,8 @@ query-filters:
  id: cs/useless-assignment-to-local
  - exclude:
  id: cs/complex-block
+ - exclude:
+ id: cs/constant-comparison
  - exclude:
  id: cpp/trivial-switch
  - exclude: