chore(packaging): update default agent config

misc/packaging/common/config-agent.yml

@@ -21,6 +21,18 @@ agent:
       enabled: true
       dataDir: /var/lib/emissary/apps/data
       downloadDir: /var/lib/emissary/apps/bundles
+    sysupgrade:
+      enabled: true
+      sysupgradeCommand:
+        - sysupgrade
+        - --force
+        - -u
+        - -v
+        - '%FIRMWARE%'
+      firmwareVersionCommand:
+        - sh
+        - -c
+        - source /etc/openwrt_release && echo "$DISTRIB_ID-$DISTRIB_RELEASE-$DISTRIB_REVISION"
   collectors:
     - name: uname
       command: uname