NG_UI : downgrade node.js from 12.x to 10.x (node 12.x requires at least...

NG_UI : downgrade node.js from 12.x to 10.x (node 12.x requires at least GLIBCXX_3.4.14 which cannot be installed at RHEL 6.x - used by Jenkins)

openbis_ng_ui/build.gradle

@@ -21,7 +21,7 @@ configure(allprojects) {
 
 node {
   download = true
-  version = '12.18.3'
+  version = '10.22.0'
   workDir = file("${projectDir}/node/nodejs")
   nodeModulesDir = file("${projectDir}")
 }