Increase Gradle network timeouts to increment resiliency on network issues (#14283)

When an external repository reaches IO error or generates network timeouts the build fails in resolving external dependencies (plugins or libraries used by the project).
This commits increase a little bit those limits.

Author: andsel

gradle.properties

@@ -1,2 +1,7 @@
 org.gradle.jvmargs=-Xmx2g -Dfile.encoding=UTF-8
 org.gradle.daemon=false
+
+## from default 30 secs to 2 minutes network timeouts
+systemProp.org.gradle.internal.http.connectionTimeout=120000
+systemProp.org.gradle.internal.http.socketTimeout=120000
+systemProp.org.gradle.internal.http.idleConnectionTimeout=120000

logstash-core/gradle.properties

@@ -1,2 +1 @@
 isDistributedArtifact=true
-