fix: Correct path in href for contrib fn dropdown (#674)
fix: Correct path in href for contrib fn dropdown (#674)

Contrib functions are under the /contrib path, so this corrects
the path used in the href for contrib function version dropdowns.
GoogleContainerTools/kpt-functions-catalog,GoogleContainerTools/kpt-functions-catalog,GoogleContainerTools/kpt-functions-catalog,GoogleContainerTools/kpt-functions-catalog,GoogleContainerTools/kpt-functions-catalog