DOC/MINOR: update README with new links

Author: oktalz

README.md

@@ -1,6 +1,4 @@
-![check-commit; golangci-lint](https://github.com/haproxytech/github-actions/actions/workflows/main.yml/badge.svg)
-
-# GitHub Action: Check commit subject is compliant with HAProxy guidelines
+# Check if commit subject is compliant with HAProxy guidelines
 
 This action checks that the commit subject is compliant with the [patch classifying rules](https://github.com/haproxy/haproxy/blob/master/CONTRIBUTING#L632) of HAProxy contribution guidelines. Also it does minimal check for a meaningful message in the commit subject: no less than 20 characters and at least 3 words.
 
@@ -27,7 +25,7 @@ BUILD/MINOR: Add path-rewrite annotation
 ```
 bug: fix set-var parsing bug in config-parser
 ```
-- Short commit message 
+- Short commit message
 ```
 BUG/MEDIUM: fix set-var
 ```
@@ -46,7 +44,7 @@ None.
 ```yaml
 steps:
   - name: check-commit
-    uses: docker://haproxytech/check-commit:TAG
+    uses: docker://ghcr.io/haproxytech/commit-check:TAG
     env:
       API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```