Merge pull request #347 from kurator-bot/cherry-pick-346-to-release-0.4

[release-0.4] update version to v0.4.0

Author: kurator-bot

docs/netlify.toml

@@ -4,7 +4,7 @@
 [build.environment]
     HUGO_VERSION = "0.101.0"
     # Keep this same with makefile
-    HUGO_KURATOR_VERSION = "0.4" 
+    HUGO_KURATOR_VERSION = "0.4.0"
     NODE_VERSION = "16.17.0"
     BUILD_WITH_CONTAINER = "0"