Move Muirrum to alumni

Author: Kobzol

teams/triage.toml

@@ -9,7 +9,6 @@ members = [
     "Alexendoo",
     "bstrie",
     "crlf0710",
-    "Muirrum",
     "camelid",
     "alice-i-cecile",
     "pitaj",
@@ -41,6 +40,7 @@ alumni = [
     "JohnCSimon",
     "shard77",
     "tranquillity-codes",
+    "Muirrum",
 ]
 
 [website]