Remove alpha from the npm version

Author: cpsievert

package.json

@@ -3,7 +3,7 @@
   "homepage": "https://shiny.rstudio.com",
   "repository": "github:rstudio/shiny",
   "name": "@types/rstudio-shiny",
-  "version": "1.7.5-alpha.1",
+  "version": "1.7.5-1",
   "license": "GPL-3.0-only",
   "main": "",
   "browser": "",