Heretic sacrifice theme (#86124)

## About The Pull Request
https://imgur.com/a/bJkpusB
## Why It's Good For The Game
It sounds cool
## Changelog
🆑 grungussuss
sound: being sacrificed by a heretic is now spookier
/🆑

code/modules/antagonists/heretic/knowledge/sacrifice_knowledge/sacrifice_knowledge.dm

@@ -403,6 +403,8 @@
 
 	to_chat(sac_target, span_big(span_hypnophrase("Unnatural forces begin to claw at your every being from beyond the veil.")))
 
+	playsound(sac_target, 'sound/ambience/antag/heretic/heretic_sacrifice.ogg', 50, FALSE) // play theme
+
 	sac_target.apply_status_effect(/datum/status_effect/unholy_determination, SACRIFICE_REALM_DURATION)
 	addtimer(CALLBACK(src, PROC_REF(after_target_wakes), sac_target), SACRIFICE_SLEEP_DURATION * 0.5) // Begin the minigame
 

sound/ambience/antag/heretic/attribution.txt

@@ -0,0 +1 @@
+heretic_sacrifice.ogg - made by sadboysusss, License: CC-by-SA