extensions/mongodb: use released versions for dependencies

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1582219 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 4886c18..e769857 100644
--- a/pom.xml
+++ b/pom.xml
@@ -64,7 +64,7 @@
         <dependency>
     	    <groupId>org.apache.sling</groupId>
     	    <artifactId>org.apache.sling.api</artifactId>
-    	    <version>2.6.1-SNAPSHOT</version>
+    	    <version>2.7.0</version>
     	    <scope>provided</scope>
         </dependency>
         <dependency>