Bump RFG version with the classpath order fix

Closes #125

build.gradle

@@ -70,7 +70,7 @@ plugins {
     id 'com.diffplug.spotless' version '6.7.2' apply false
     id 'com.modrinth.minotaur' version '2.+' apply false
     id 'com.matthewprenger.cursegradle' version '1.4.0' apply false
-    id 'com.gtnewhorizons.retrofuturagradle' version '1.1.5'
+    id 'com.gtnewhorizons.retrofuturagradle' version '1.1.6'
 }
 boolean settingsupdated = verifySettingsGradle()
 settingsupdated = verifyGitAttributes() || settingsupdated