Sec external access (#9412)

* Security officer external access

* Update warden.yml

* Update head_of_security.yml

Resources/Prototypes/Roles/Jobs/Security/head_of_security.yml

@@ -18,6 +18,7 @@
   - Armory
   - Maintenance
   - Service
+  - External
 
 - type: startingGear
   id: HoSGear

Resources/Prototypes/Roles/Jobs/Security/security_officer.yml

@@ -12,6 +12,7 @@
   - Brig
   - Maintenance
   - Service
+  - External
 
 - type: startingGear
   id: SecurityOfficerGear

Resources/Prototypes/Roles/Jobs/Security/warden.yml

@@ -13,6 +13,7 @@
   - Maintenance
   - Service
   - Brig
+  - External
 
 - type: startingGear
   id: WardenGear