chore(deps): bump zod from 3.25.76 to 4.3.6

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.3.6.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v3.25.76...v4.3.6)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.3.6
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -48,7 +48,7 @@
   "dependencies": {
     "commander": "^12.0.0",
     "tone": "^15.0.4",
-    "zod": "^3.22.4"
+    "zod": "^4.3.6"
   },
   "engines": {
     "node": ">=20.0.0"