Update to avoid dupe comments

Signed-off-by: Matt C <matthew.compton@mymail.champlain.edu>

bot.py

@@ -43,6 +43,7 @@ for tgt in targets:
                 print(f"Total votes against resolution: {str(total_votes_against)}")
                 if (total_votes_for/len(core_team_logins)) > 0.5:
                     print("This RFC should be passed. Adding comment.")
+                    if not issue.locked:
                         issue.create_comment("This resolution has enough votes from Core Team mebers to be considered passed. Please close the issue once appropriate actions have been taken. - Beep Boop (I'm a bot, and this action was performed automagically)")
                         issue.lock("resolved")
                     rfcs_passed += 1