bump @rancher/shell to 0.5.3 (#42)

Author: mantis-toboggan-md

package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "@rancher/components": "0.1.3",
-    "@rancher/shell": "0.5.1",
+    "@rancher/shell": "0.5.3",
     "@types/lodash": "4.14.196",
     "core-js": "3.21.1",
     "css-loader": "6.7.3"