[npm] Bump unified from 9.2.2 to 11.0.5 in /packages/mdsvex

Bumps [unified](https://github.com/unifiedjs/unified) from 9.2.2 to 11.0.5.
- [Release notes](https://github.com/unifiedjs/unified/releases)
- [Changelog](https://github.com/unifiedjs/unified/blob/main/changelog.md)
- [Commits](unifiedjs/unified@9.2.2...11.0.5)

---
updated-dependencies:
- dependency-name: unified
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

packages/mdsvex/package.json

@@ -60,7 +60,7 @@
 		"shiki": "^0.9.3",
 		"svelte": "^4.0.0",
 		"toml": "^3.0.0",
-		"unified": "^9.1.0",
+		"unified": "^11.0.5",
 		"vfile": "^4.2.0"
 	},
 	"peerDependencies": {