Remove egg-info build artifacts and add to .gitignore

Agent-Logs-Url: https://github.com/mozilla/bugbot/sessions/c14d247a-c967-4d1d-95ed-ce273490a637

Co-authored-by: suhaibmujahid <4151357+suhaibmujahid@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -15,3 +15,4 @@ db/*
 cache/
 .coverage
 .tox/
+*.egg-info/