fix: upgrade @types/serve-static from 1.15.1 to 1.15.2 (#4)

Snyk has created this PR to upgrade @types/serve-static from 1.15.1 to 1.15.2.

See this package in npm:
https://www.npmjs.com/package/@types/serve-static

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/801c3797-5f02-4e73-9d0b-aff26283dffb?utm_source=github&utm_medium=referral&page=upgrade-pr

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

package.json

@@ -48,7 +48,7 @@
     "@types/connect-history-api-fallback": "^1.3.5",
     "@types/express": "^4.17.13",
     "@types/serve-index": "^1.9.1",
-    "@types/serve-static": "^1.13.10",
+    "@types/serve-static": "^1.15.2",
     "@types/sockjs": "^0.3.33",
     "@types/ws": "^8.5.5",
     "ansi-html-community": "^0.0.8",