Ensure java 11 source compatibility

spinscale · spinscale · commit 5eb8e9a7373b · 2021-11-16T15:00:21.000+01:00
diff --git a/build.gradle b/build.gradle
@@ -32,6 +32,8 @@ apply plugin: 'idea'
 apply plugin: 'elasticsearch.esplugin'
 apply plugin: 'elasticsearch.testclusters'
 
+sourceCompatibility = '11'
+
 esplugin {
   name = 'ingest-langdetect'
   description = 'Ingest processor doing language detection for fields'
