feat!: initial Sanity Studio v3 release

BREAKING CHANGE: this version does not work in Sanity Studio v2

.github/workflows/main.yml

@@ -96,7 +96,7 @@ jobs:
         with:
           cache: npm
           node-version: ${{ matrix.node }}
-      - run: npm ci
+      - run: npm i
       - run: npm test
 
   release:

.releaserc.json

@@ -1,7 +1,4 @@
 {
   "extends": "@sanity/semantic-release-preset",
-  "branches": [
-    {"name": "main", "channel": "studio-v3", "prerelease": "v3-studio"},
-    {"name": "main-post-ga"}
-  ]
+  "branches": ["main"]
 }

README.md

@@ -1,9 +1,6 @@
 # @sanity/code-input
 
-> **NOTE**
->
-> This is the **Sanity Studio v3 version** of @sanity/code-input.
->
+> This is a **Sanity Studio v3** plugin.
 > For the v2 version, please refer to the [v2-branch](https://github.com/sanity-io/sanity/tree/next/packages/%40sanity/code-input).
 
 ## What is it?
@@ -19,13 +16,13 @@ Click lines to highlight them.
 ## Installation
 
 ```
-npm install --save @sanity/code-input@studio-v3
+npm install --save @sanity/code-input
 ```
 
 or
 
 ```
-yarn add @sanity/code-input@studio-v3
+yarn add @sanity/code-input
 ```
 
 ## Usage