build.gradle: increment version name to 1.1.0

Author: sds100

app/build.gradle

@@ -17,8 +17,8 @@ android {
         applicationId "io.github.sds100.keymapper"
         minSdkVersion 19
         targetSdkVersion 29
-        versionCode 17
-        versionName "1.1.0-beta.9"
+        versionCode 18
+        versionName "1.1.0"
         vectorDrawables.useSupportLibrary = true
     }