Bump @types/node from 15.12.5 to 15.14.0 (#237)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.12.5 to 15.14.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

web/package.json

@@ -30,7 +30,7 @@
     "@types/chart.js": "^2.9.32",
     "@types/classnames": "^2.3.1",
     "@types/markdown-it": "^12.0.2",
-    "@types/node": "^15.12.5",
+    "@types/node": "^15.14.0",
     "@types/prop-types": "^15.7.3",
     "@types/react": "^17.0.11",
     "@types/react-linkify": "^1.0.0",