build(release): release new version on next dist-tag

Author: pvdlg

README.md

@@ -6,6 +6,9 @@ Set of [semantic-release](https://github.com/semantic-release/semantic-release)
 [![Codecov](https://img.shields.io/codecov/c/github/semantic-release/exec.svg)](https://codecov.io/gh/semantic-release/exec)
 [![Greenkeeper badge](https://badges.greenkeeper.io/semantic-release/exec.svg)](https://greenkeeper.io/)
 
+[![npm latest version](https://img.shields.io/npm/v/@semantic-release/exec/latest.svg)](https://www.npmjs.com/package/@semantic-release/exec)
+[![npm next version](https://img.shields.io/npm/v/@semantic-release/exec/next.svg)](https://www.npmjs.com/package/@semantic-release/exec)
+
 ## verifyConditions
 
 Execute a shell command to verify if the release should happen.

package.json

@@ -72,7 +72,8 @@
     "trailingComma": "es5"
   },
   "publishConfig": {
-    "access": "public"
+    "access": "public",
+    "tag": "next"
   },
   "repository": {
     "type": "git",