Bump zod from 4.1.5 to 4.1.8 in /src

Bumps [zod](https://github.com/colinhacks/zod) from 4.1.5 to 4.1.8.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v4.1.5...v4.1.8)

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

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

Author: dependabot[bot]

src/packages/admin-ui-components/package.json

@@ -54,7 +54,7 @@
 		"react-syntax-highlighter": "15.6.6",
 		"tiptap-markdown": "0.9.0",
 		"wouter": "3.7.1",
-		"zod": "4.1.5"
+		"zod": "4.1.8"
 	},
 	"peerDependencies": {
 		"formik": "^2.4.6",