Updated OpenONU Adapter Version in Software Upgrade Job

Change-Id: I1e2f7d0830d9eda5d57fcda7fe30997814b60e4e
diff --git a/jjb/software-upgrades.yaml b/jjb/software-upgrades.yaml
index fca96d8..4d77d09 100644
--- a/jjb/software-upgrades.yaml
+++ b/jjb/software-upgrades.yaml
@@ -26,7 +26,7 @@
           kafka-version: '2.6.0.SNAPSHOT'
           kafka-oar-url: 'https://oss.sonatype.org/content/groups/public/org/opencord/kafka/2.6.0-SNAPSHOT/kafka-2.6.0-20210311.093145-2.oar'
           adapter-open-olt-image: 'voltha/voltha-openolt-adapter:3.1.3'
-          adapter-open-onu-image: 'voltha/voltha-openonu-adapter-go:1.2.4'
+          adapter-open-onu-image: 'voltha/voltha-openonu-adapter-go:1.2.6'
           rw-core-image: 'voltha/voltha-rw-core:2.6.3'
           ofagent-image: 'voltha/voltha-ofagent-go:1.5.1'
           time-trigger: "H H/23 * * *"