Update parent version

Update the parent version to match the new 2.*
parent versioning.

Change-Id: I77280d8cf12de1de20c01249491dc85243f5d655
Signed-off-by: Patrick Brady <patrick.brady@att.com>
Issue-ID: APPC-1601
diff --git a/appc-metric/appc-metric-bundle/pom.xml b/appc-metric/appc-metric-bundle/pom.xml
index c77000a..2563933 100644
--- a/appc-metric/appc-metric-bundle/pom.xml
+++ b/appc-metric/appc-metric-bundle/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.onap.appc.parent</groupId>
         <artifactId>binding-parent</artifactId>
-        <version>1.5.0-SNAPSHOT</version>
+        <version>2.6.0-SNAPSHOT</version>
         <relativePath />
     </parent>
     <groupId>org.onap.appc</groupId>