fix: Dest file for release.yml [PT-188014351]

This changes the dest file for the release from index-demo.html to index.html.

.github/workflows/release.yml

@@ -3,13 +3,13 @@ on:
   workflow_dispatch:
     inputs:
       version:
-        description: The git tag for the version to use for index-demo.html
+        description: The git tag for the version to use for index.html
         required: true
 env:
   BUCKET: models-resources
   PREFIX: nass-plugin
   SRC_FILE: index-top.html
-  DEST_FILE: index-demo.html
+  DEST_FILE: index.html
 jobs:
   release:
     runs-on: ubuntu-latest