fix: properly label alpha versions as alpha

Author: andrew-polk

package.json

@@ -60,11 +60,6 @@
     "vite": "^4.2.1",
     "vitest": "^0.30.1"
   },
-  "release": {
-    "branches": [
-      "main"
-    ]
-  },
   "name": "@sillsdev/docu-notion",
   "description": "Download Notion pages as markdown and image files, preserving hierarchy and enabling workflow properties. Works with Docusaurus.",
   "license": "MIT",