Updating version to 1.7.0-rc3 for the RC

Change-Id: Id6255010c0edb17eae24c2ed5aabb02cdfa7a33a
diff --git a/providers/bgp/pom.xml b/providers/bgp/pom.xml
index 8560808..b1347f4 100644
--- a/providers/bgp/pom.xml
+++ b/providers/bgp/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-providers</artifactId>
-    <version>1.7.0-SNAPSHOT</version>
+    <version>1.7.0-rc3</version>
   </parent>
   <artifactId>onos-bgp-providers</artifactId>
   <packaging>pom</packaging>