monorepo: run nx repair

Commit the results of running `nx repair` as suggested by nx
during the commit hook.

nx.json

@@ -78,5 +78,6 @@
       "dependsOn": ["^build", "build:contracts"],
       "outputs": ["{projectRoot}/dist"]
     }
-  }
+  },
+  "$schema": "./node_modules/nx/schemas/nx-schema.json"
 }