Do not switch to 'latest' in template check (check against 'main') (#23)

Author: irm-codebase

.github/workflows/template-check-version.yml

@@ -19,8 +19,6 @@ jobs:
       UPDATE: "false"
     steps:
       - uses: actions/checkout@v4
-        with:
-          ref: "latest"  # This avoids comparing against development versions.
 
       - uses: mamba-org/setup-micromamba@v2
         with: