Bump typescript from 3.8.2 to 3.8.3 in /web

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.8.2 to 3.8.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.8.2...v3.8.3)

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

web/package.json

@@ -20,7 +20,7 @@
     "react-router-dom": "^5.1.2",
     "react-scripts": "^3.4.0",
     "slugify": "^1.3.6",
-    "typescript": "^3.8.2"
+    "typescript": "^3.8.3"
   },
   "scripts": {
     "start": "react-app-rewired start",