deps: Bump zod from 3.25.76 to 4.1.8

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.1.8.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v3.25.76...v4.1.8)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.1.8
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

npm-shrinkwrap.json

@@ -86,7 +86,7 @@
 		"lockfile": "^1.0.4",
 		"make-fetch-happen": "^14.0.3",
 		"semver": "^7.7.2",
-		"zod": "^3.25.76"
+		"zod": "^4.1.8"
 	},
 	"devDependencies": {
 		"@commitlint/cli": "^19.8.1",