Bump up to next pre-release version 4.2.1-pre.0

Author: pakkunbot

.github/workflows/publish-workflow.yaml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
         with:
-          ref: 4.2.0
+          ref: main
       - uses: actions/setup-node@v6
         with:
           node-version: '24'

CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
 ## 4.2.0 - 2025-11-28
 ### Added
 - Add keep-a-changelog validation check when retrieving version [#17]

package.json

@@ -17,7 +17,7 @@
     "zeus",
     "kraken"
   ],
-  "version": "4.2.0",
+  "version": "4.2.1-pre.0",
   "homepage": "https://github.com/cliffano/rtk",
   "author": "Cliffano Subagio <blah@cliffano.com> (http://blog.cliffano.com)",
   "contributors": [