Bump build number to 4

Incremented the build number in `app/build.gradle.kts` from 3 to 4.

Author: CreativeCodeCat

app/build.gradle.kts

@@ -10,7 +10,7 @@ plugins {
 val major = 1
 val minor = 11
 val patch = 2
-val build = 3
+val build = 4
 
 val type = 0 // 1=beta, 2=alpha else=production