build(deps): move @intx/* to 0.4.0 (CL-8797) (#6)

Bumps @intx/inference, @intx/log, @intx/types, and @intx/inference-testing
to 0.4.0, preserving each entry's existing range style.

Author: TheGreatAxios

bun.lock

@@ -21,13 +21,13 @@
     "format": "prettier -w ."
   },
   "dependencies": {
-    "@intx/inference": "^0.3.0",
-    "@intx/log": "^0.3.0",
-    "@intx/types": "^0.3.0",
+    "@intx/inference": "^0.4.0",
+    "@intx/log": "^0.4.0",
+    "@intx/types": "^0.4.0",
     "arktype": "^2.1.29"
   },
   "devDependencies": {
-    "@intx/inference-testing": "0.3.0",
+    "@intx/inference-testing": "0.4.0",
     "@types/bun": "1.3.9",
     "prettier": "3.6.2",
     "typescript": "5.9.3"