switch to 2.11.11

Author: sinwe

build.gradle

@@ -57,7 +57,7 @@ targetCompatibility = "1.8"
 
 if (!project.parent) {
     apply plugin: 'net.researchgate.release'
-    final svs = ['2.12.4', '2.11.12']
+    final svs = ['2.12.4', '2.11.11']
 
     for (sv in svs) {
         String scalaVersionInDot = sv.replaceAll("_", ".")