Bump webpack from 5.88.2 to 5.89.0 in /micromark

Bumps [webpack](https://github.com/webpack/webpack) from 5.88.2 to 5.89.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.88.2...v5.89.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

micromark/package.json

@@ -26,7 +26,7 @@
     "micromark-extension-gfm-table": "2.0.0",
     "micromark-extension-math": "3.0.0",
     "terser-webpack-plugin": "5.3.9",
-    "webpack": "5.88.2",
+    "webpack": "5.89.0",
     "webpack-cli": "5.1.4"
   }
 }