starters: add publication_type filter example

starters-bootstrap/research-group/.github/workflows/publish.yaml

@@ -1,7 +1,7 @@
 name: Deploy website to GitHub Pages
 
 env:
-  WC_HUGO_VERSION: '0.124.1'
+  WC_HUGO_VERSION: '0.125.7'
 
 on:
   # Trigger the workflow every time you push to the `main` branch

starters-bootstrap/research-group/netlify.toml

@@ -3,7 +3,7 @@
   publish = "public"
 
 [build.environment]
-  HUGO_VERSION = "0.123.3"
+  HUGO_VERSION = "0.125.7"
   HUGO_ENABLEGITINFO = "true"
 
 [context.production.environment]