Switch snapshots repo to Sonatype/OSS

Gerrit snapshot builds are now published from Gerrit CI
to Sonatype's Snapshots.

Change-Id: Idbe9b8cfb9f723c54e01cf7ddbee0e3b0514edc8

pom.xml

diff --git a/pom.xml b/pom.xml
index 4535f05..4ae3dcf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -268,14 +268,11 @@
       <url>http://repo.jenkins-ci.org/public/</url>
     </repository>
     <repository>
-      <releases>
-        <enabled>true</enabled>
-      </releases>
       <snapshots>
         <enabled>true</enabled>
       </snapshots>
-      <id>gerritforge</id>
-      <url>http://gerritforge.com/snapshot/</url>
+      <id>sonatype</id>
+      <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
     </repository>
     <repository>
       <releases>