Mark upgrade flag as boolean to prevent it from eating following args

yamalight · yamalight · commit a5bd4a62d383 · 2019-09-30T18:18:52.000+02:00
Fixes #265
diff --git a/src/commands/deploy.js b/src/commands/deploy.js
@@ -86,6 +86,7 @@ exports.builder = {
   update: {
     alias: 'u',
     description: 'Update current project instead of simple deployment',
+    type: 'boolean',
   },
   open: {
     alias: 'o',
