Spell correct - Change thread to threat

Author: hamzanajeebkhan

2023/day22.md

@@ -74,5 +74,5 @@ One place to do that is you CI pipeline (as seen in [Day 21](day21.md)).
 Another place is your container registry (as seen today).
 
 Both are good options, both have their pros and cons.
-It is up to the DevSecOps architect to decide which approach works better for them and their thread model.
+It is up to the DevSecOps architect to decide which approach works better for them and their threat model.
 See you on [Day 23](day23.md).