ci: address missing search indexes on clean ups

.github/workflows/build-docs.yml

@@ -207,6 +207,10 @@ jobs:
           git add index.yaml && git update-index --refresh
           cd ..
           # END move generated chart from a previous step
+          
+          # copy search from nightly to all other versions. This is to ensure that the search index is available for all versions
+          for folder in v*/; do cp -r nightly/search "$folder"; done
+          # END copy search from nightly to all other versions
 
           echo "Replacing release number markers with actual release number"
           cd ${LATEST}