Bump to v0.4.0 (#413)

Author: pierremtb

package.json

@@ -1,6 +1,6 @@
 {
   "name": "untitled-app",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "private": true,
   "dependencies": {
     "@codemirror/autocomplete": "^6.9.0",

src-tauri/tauri.conf.json

@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "kittycad-modeling",
-    "version": "0.3.2"
+    "version": "0.4.0"
   },
   "tauri": {
     "allowlist": {