fix snapshot repository

Author: hauner

build.gradle

@@ -18,7 +18,7 @@ repositories {
     mavenLocal()
     mavenCentral()
     maven {
-        url = "https://central.sonatype.com/content/repositories/snapshots"
+        url = "https://central.sonatype.com/repository/maven-snapshots"
     }
 }