Adds versions to issue template

Author: refringe

.github/ISSUE_TEMPLATE/GENERAL.yml

@@ -30,6 +30,11 @@ body:
       label: SPT Version
       description: What version of SPT are you running?
       options:
+        - 3.9.1
+        - 3.9.0
+        - 3.8.3
+        - 3.8.2
+        - 3.8.1
         - 3.8.0
     validations:
       required: true