chore: bump version

resources/package.json

@@ -1,6 +1,6 @@
 {
   "name": "Logseq",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "main": "electron.js",
   "author": "Logseq",
   "description": "A privacy-first, open-source platform for knowledge management and collaboration.",

src/main/frontend/version.cljs

@@ -1,3 +1,3 @@
 (ns frontend.version)
 
-(defonce version "0.3.9")
+(defonce version "0.4.0")