fix: this.parse is a asyncfunction

Author: Vikram Kalta

.gitignore

@@ -6,3 +6,4 @@
 /tmp
 /yarn.lock
 node_modules
+.vscode/

package.json

@@ -1,7 +1,7 @@
 {
   "name": "contentstack-cli-tsgen",
   "description": "Generate TypeScript typings from a Stack.",
-  "version": "1.0.13",
+  "version": "1.0.14",
   "author": "Michael Davis",
   "bugs": "https://github.com/Contentstack-Solutions/contentstack-cli-tsgen/issues",
   "dependencies": {

src/commands/tsgen.ts

@@ -47,7 +47,7 @@ export default class TypeScriptCodeGeneratorCommand extends Command {
 
   async run() {
     try {
-      const {flags} = this.parse(TypeScriptCodeGeneratorCommand)
+      const {flags} = await this.parse(TypeScriptCodeGeneratorCommand)
 
       const token = this.getToken(flags['token-alias'])
       const prefix = flags.prefix