Bump unified-engine from 9 to 10 (#98)

Bumps [unified-engine](https://github.com/unifiedjs/unified-engine) from 9.1.1 to 10.0.1.
- [Release notes](https://github.com/unifiedjs/unified-engine/releases)
- [Commits](unifiedjs/unified-engine@9.1.1...10.0.1)

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

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -59,7 +59,7 @@
     "remark-validate-links": "^11.0.2",
     "subarg": "^1.0.0",
     "supports-color": "^9.0.2",
-    "unified-engine": "^9.0.4",
+    "unified-engine": "^10.0.1",
     "vfile-reporter-shiny": "^1.0.1"
   },
   "devDependencies": {