Revert "build: release 21.0.0 (#204)"

This reverts commit 2dd7990.

Author: luxiaobei

CHANGELOG.md

@@ -2,10 +2,6 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
-# [21.0.0](https://github.com/worktile/store/compare/v20.0.0...v21.0.0) (2026-02-03)
-
-
-
 # [20.0.0](https://github.com/worktile/store/compare/v20.0.0-next.0...v20.0.0) (2025-11-26)
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tethys/store",
-  "version": "21.0.0",
+  "version": "20.0.0",
   "scripts": {
     "ng": "ng",
     "start": "npm run start:docs",

packages/store/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tethys/store",
-  "version": "21.0.0",
+  "version": "20.0.0",
   "peerDependencies": {
     "@angular/common": ">=21.0.0",
     "@angular/core": ">=21.0.0",