Update dappnode_package.json

Author: Marketen

package_variants/hoodi/dappnode_package.json

@@ -1,4 +1,11 @@
 {
+  "upstream": [
+    {
+      "repo": "ssvlabs/ssv",
+      "version": "v2.2.0-unstable.1",
+      "arg": "OPERATOR_UPSTREAM_VERSION"
+    }
+  ]
   "name": "ssv-hoodi.dnp.dappnode.eth",
   "version": "0.1.6",
   "globalEnvs": [