Fix Spy bots using human voice lines in MvM

[brokenparts]

Description

Hi. This fixes an issue where Spy bots in MvM will use human voice lines.

The soundscript Spy.MVM_TeaseVictim defined in scripts/game_sounds_vo_mvm_handmade.txt also has errors and needs the following change:

@@ -1559,9 +1559,9 @@
 		"wave"		"vo/mvm/norm/spy_mvm_Revenge01.mp3"
 		"wave"		"vo/mvm/norm/spy_mvm_Revenge02.mp3"
 		"wave"		"vo/mvm/norm/spy_mvm_Revenge03.mp3"
-		"wave"		"vo/mvm/norm/spy_mvm_specialcomplete04.mp3"
-		"wave"		"vo/mvm/norm/spy_mvm_specialcomplete10.mp3"
-		"wave"		"vo/mvm/norm/spy_mvm_specialcomplete12.mp3"
+		"wave"		"vo/mvm/norm/spy_mvm_specialcompleted04.mp3"
+		"wave"		"vo/mvm/norm/spy_mvm_specialcompleted10.mp3"
+		"wave"		"vo/mvm/norm/spy_mvm_specialcompleted12.mp3"
 	}
 }

Fixes: https://github.com/ValveSoftware/Source-1-Games/issues/4794