fix: upgrade @docusaurus/preset-classic from 2.4.1 to 2.4.3 (#3)

Snyk has created this PR to upgrade @docusaurus/preset-classic from 2.4.1 to 2.4.3.

See this package in npm:
https://www.npmjs.com/package/@docusaurus/preset-classic

See this project in Snyk:
https://app.snyk.io/org/sripwoud/project/a6eaa4aa-8462-4362-a3bf-33280f77f374?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

package.json

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@docusaurus/core": "2.4.3",
-    "@docusaurus/preset-classic": "2.4.1",
+    "@docusaurus/preset-classic": "2.4.3",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",
     "prism-react-renderer": "^1.3.5",