Bump webpack from 5.90.2 to 5.90.3 in /micromark

Bumps [webpack](https://github.com/webpack/webpack) from 5.90.2 to 5.90.3.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.90.2...v5.90.3)

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

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

micromark/package.json

@@ -27,7 +27,7 @@
     "micromark-extension-gfm-table": "2.0.0",
     "micromark-extension-math": "3.0.0",
     "terser-webpack-plugin": "5.3.10",
-    "webpack": "5.90.2",
+    "webpack": "5.90.3",
     "webpack-cli": "5.1.4"
   }
 }