Add component definition for handwritten/storage

Author: sofisl

release-please-submodules.json

@@ -17,7 +17,9 @@
     "handwritten/logging-winston": {
       "component": "logging-winston"
     },
-    "handwritten/storage": {}
+    "handwritten/storage": {
+      "component": "storage"
+    }
   },
   "plugins": [
     {