Add CodeQL workflow for GitHub code scanning (#3024)

Co-authored-by: LGTM Migrator <[email protected]>
Co-authored-by: Tristan Schulz <[email protected]>

Author: 3 people

.github/codeql.yml

@@ -9,7 +9,6 @@ query-filters:
           id: py/multiple-calls-to-init
     - exclude:
           id: py/missing-call-to-init
-
 paths:
     - manim
 paths-ignore: