update GHA

.github/workflows/template_version_comment.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Check out pipeline code
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Read template version from .nf-core.yml
         uses: pietrobolcato/[email protected]
@@ -34,10 +36,11 @@ jobs:
           repo-token: ${{ secrets.NF_CORE_BOT_AUTH_TOKEN }}
           allow-repeats: false
           message: |
-            ## :warning: Newer version of the nf-core template is available.
-
-            Your pipeline is using an old version of the nf-core template: ${{ steps.read_yml.outputs['nf_core_version'] }}.
-            Please update your pipeline to the latest version.
-
-            For more documentation on how to update your pipeline, please see the [nf-core documentation](https://github.com/nf-core/tools?tab=readme-ov-file#sync-a-pipeline-with-the-template) and [Synchronisation documentation](https://nf-co.re/docs/contributing/sync).
+            > [!WARNING]
+            > Newer version of the nf-core template is available.
+            >
+            > Your pipeline is using an old version of the nf-core template: ${{ steps.read_yml.outputs['nf_core_version'] }}.
+            > Please update your pipeline to the latest version.
+            >
+            > For more documentation on how to update your pipeline, please see the [nf-core documentation](https://github.com/nf-core/tools?tab=readme-ov-file#sync-a-pipeline-with-the-template) and [Synchronisation documentation](https://nf-co.re/docs/contributing/sync).
           #