Update ghc.json

Add a new line to build to be passed.

Author: mustafa-travisci

public/version-aliases/ghc.json

@@ -173,4 +173,5 @@
   "9.2.1-alpha1": "9.2.1-alpha1",
   "9.2": "9.2.1-alpha2",
   "9.2.1-alpha2": "9.2.1-alpha2"
-}
+  
+}