chore: tag on readme [skip ci]

Author: posva

README.md

@@ -5,7 +5,7 @@
 </p>
 <br/>
 <p align="center">
-  <a href="https://npmjs.com/package/vuefire"><img src="https://badgen.net/npm/v/vuefire/edge" alt="npm package"></a>
+  <a href="https://npmjs.com/package/vuefire"><img src="https://badgen.net/npm/v/vuefire/next" alt="npm package"></a>
   <a href="https://github.com/vuejs/vuefire/actions/workflows/test.yml"><img src="https://github.com/vuejs/vuefire/workflows/test/badge.svg?branch=main" alt="build status"></a>
   <a href="https://codecov.io/github/vuejs/vuefire"><img src="https://badgen.net/codecov/c/github/vuejs/vuefire/main" alt="code coverage"></a>
 </p>