Switch to new staging API.

Author: simonbrowndotje

build.gradle

@@ -56,7 +56,7 @@ subprojects { proj ->
         repositories {
             maven {
                 name = "ossrh"
-                url = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+                url = "https://ossrh-staging-api.central.sonatype.com/service/local/staging/deploy/maven2/"
                 credentials {
                     username = findProperty('ossrhUsername')
                     password = findProperty('ossrhPassword')