Players can now be role banned from Spy (#82895)

## About The Pull Request
Adds spy to banning panel
## Why It's Good For The Game
Admins should be able to roleban players from all antagonists
## Changelog
🆑
admin: spy can now be rolebanned
/🆑

code/modules/admin/sql_ban_system.dm

@@ -393,6 +393,7 @@
 				ROLE_REV_HEAD,
 				ROLE_SENTIENT_DISEASE,
 				ROLE_SPIDER,
+				ROLE_SPY,
 				ROLE_SYNDICATE,
 				ROLE_TRAITOR,
 				ROLE_WIZARD,