updates CI to work with latest hugo version

.gitlab-ci.yml

@@ -1,6 +1,6 @@
 # Default image for jobs - contains Hugo Extended
 image: 
-  name: klakegg/hugo:ext
+  name: hugomods/hugo:node
   entrypoint: [""]
 
 variables:
@@ -19,7 +19,6 @@ build_site:
   before_script:
     - echo "installing NPM packages"
     - npm install
-  # This job uses the default image (klakegg/hugo:ext)
   script:
     - echo "Starting Hugo build..."
     - hugo version