Update Plugin Check action name (#87)

## *What has changed?*:

The Plugin Check GitHub action is now part of the WordPress
organization, this change reflects that.

## *Why was it needed?*:

## *How was it done?*:

## Links to trello Tickets or github issues: 

* 

---

### Code Checklist
- [x] tested
- [x] documented

.github/workflows/wp-plugin-checks.yml

@@ -16,7 +16,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Run plugin check
-      uses: swissspidy/wp-plugin-check-action@v1
+      uses: wordpress/plugin-check-action@v1
       with:
         # Personal access token (PAT) used to comment on pull requests.
         # Not currently used.
@@ -82,4 +82,4 @@ jobs:
         # WordPress version to use. Supports "latest" or "trunk".
         #
         # Default: latest
-        #wp-version: ''
+        #wp-version: ''