Update GHC 8.10 to 8.10.4 in GitHub actions

Author: maksbotan

.github/workflows/master.yml

@@ -20,7 +20,7 @@ jobs:
           - "8.4.4"
           - "8.6.5"
           - "8.8.4"
-          - "8.10.2"
+          - "8.10.4"
           - "9.0.1"
 
     steps: