chore: bump claude-code to version 1.0.3

- Updated `@anthropic-ai/claude-code` dependency from 1.0.2 to 1.0.3.
- Adjusted hashes in `package-lock.json` and `package.nix` to match the new version.
- Ensured compatibility with the latest package release.

overlays/unstable/claude-code/package-lock.json

@@ -5,13 +5,13 @@
   "packages": {
     "": {
       "dependencies": {
-        "@anthropic-ai/claude-code": "^1.0.2"
+        "@anthropic-ai/claude-code": "^1.0.3"
       }
     },
     "node_modules/@anthropic-ai/claude-code": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-1.0.2.tgz",
-      "integrity": "sha512-6p7RMXEcVfymsJ7v0GyMfA3gcD2AbFVSb9b1Py4tbxM2ensjyaSx3wVQW2QiFk+9mhoRkYc0ETVnJ1x/G0LW7g==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-1.0.3.tgz",
+      "integrity": "sha512-a4aBhcXGG7k4YtyF2aYVKt08h48BG+F12RA/G3K1vb6unl9CAvWDP/A7xudtCOzxFKxLwxctrn74pHEdpmHSPw==",
       "hasInstallScript": true,
       "license": "SEE LICENSE IN README.md",
       "bin": {