chore(*): ignore kong-api-tests when adding a new Kong version (#714)

* chore(*): do not use bash's extended globbing features

Author: ms2008

assets/update_versions.sh

@@ -112,7 +112,7 @@ function update_single_version_artifacts {
             mkdir "../kong-versions/$VERSION/kong/spec-ee"
             for fname in spec-ee/*; do
                 case $fname in
-                (spec-ee/[0-9]*)
+                (spec-ee/[0-9]*|spec-ee/kong-api-tests)
                     # These we skip
                     ;;
                 (*)