Bump @docusaurus/preset-classic from 2.3.1 to 2.4.3

Bumps [@docusaurus/preset-classic](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-preset-classic) from 2.3.1 to 2.4.3.
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG-v2.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v2.4.3/packages/docusaurus-preset-classic)

---
updated-dependencies:
- dependency-name: "@docusaurus/preset-classic"
  dependency-version: 2.4.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@docusaurus/core": "2.3.1",
     "@docusaurus/plugin-content-docs": "^2.3.1",
-    "@docusaurus/preset-classic": "2.3.1",
+    "@docusaurus/preset-classic": "2.4.3",
     "@mdx-js/react": "1.6.22",
     "clsx": "^1.2.1",
     "docusaurus-lunr-search": "^2.3.2",