fix(versions): resolve EE-versions by the last 2 digits

Enterprise versions have pacth versions both on 3rd and 4th digit
whilst resolving only took 4th into account.
Eg. 3.4.1.x resolved to 3.4.1.1, whilst 3.4.2.0 is actually the latest

assets/set_variables.sh

@@ -128,12 +128,28 @@ function resolve_version {
     # resolve trailing "x" to proper version
     local new_version=$KONG_VERSION
     local entry
-    for entry in ${KONG_VERSIONS[*]}; do
-      if [[ "${KONG_VERSION:0:${#KONG_VERSION}-1}" == "${entry:0:${#entry}-1}" ]]; then
-        # keep replacing, last one wins
-        new_version=$entry
-      fi
-    done;
+
+    local segments
+    segments=segments=$(( $(echo "$KONG_VERSION" | tr -cd '.' | wc -c) + 1 ))
+
+    if ((segments == 4)); then
+      # this is a 4 segment version, which means it is an EE version.
+      # For an EE version we need to resolve the last 2 segments
+      for entry in ${KONG_VERSIONS[*]}; do
+        if [[ "${KONG_VERSION:0:${#KONG_VERSION}-3}" == "${entry:0:${#entry}-3}" ]]; then
+          # keep replacing, last one wins
+          new_version=$entry
+        fi
+      done;
+    else
+      # this should then be an OSS version
+      for entry in ${KONG_VERSIONS[*]}; do
+        if [[ "${KONG_VERSION:0:${#KONG_VERSION}-1}" == "${entry:0:${#entry}-1}" ]]; then
+          # keep replacing, last one wins
+          new_version=$entry
+        fi
+      done;
+    fi
     if [[ "$new_version" == "$KONG_VERSION" ]]; then
       warn "Could not resolve Kong version: '$KONG_VERSION'"
     else