Bump @docusaurus/preset-classic from 2.4.1 to 2.4.3 (#5219)

Bumps [@docusaurus/preset-classic](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-preset-classic) from 2.4.1 to 2.4.3.
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v2.4.3/packages/docusaurus-preset-classic)

---
updated-dependencies:
- dependency-name: "@docusaurus/preset-classic"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -42,7 +42,7 @@
     "@docusaurus/core": "^2.4.1",
     "@docusaurus/module-type-aliases": "^2.4.1",
     "@docusaurus/plugin-client-redirects": "^2.4.1",
-    "@docusaurus/preset-classic": "^2.4.1",
+    "@docusaurus/preset-classic": "^2.4.3",
     "@octokit/rest": "^20.0.1",
     "@polkadot/api": "^10.9.1",
     "@testing-library/jest-dom": "^6.1.3",