fix: update readme

Signed-off-by: Markus Maga <markus@maga.se>

README.md

@@ -3,6 +3,9 @@
 This is a GitHub Action for setting up git-crypt in a GitHub Actions workflow. Git-crypt is a tool for encrypting and decrypting files in a Git repository.
 The action will download the source for the git-crypt CLI and build it in runtime, it may also be cached in the tools cache.
 
+v4: works on ubuntu 22+
+v3: works on ubuntu 20 and 22
+
 ## Pre-requisite for self-hosted runners
 
 This action requires openssl and openssl-devel to be installed on your runner (exists by default on github hosted runners).
@@ -23,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: Flydiverny/setup-git-crypt@v3
+      - uses: flydiverny/setup-git-crypt@v4
 ```
 
 In this example, the `setup-git-crypt` action is added as a step in the `build` job, and it will be run when the workflow is triggered. The `setup-git-crypt` action will install and configure git-crypt in the environment where the action is running, allowing you to use git-crypt in the rest of your workflow.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-git-crypt",
-  "version": "0.1.0",
+  "version": "4.0.0",
   "private": true,
   "description": "TypeScript template action",
   "main": "lib/main.js",