Bump @types/node from 15.6.1 to 15.12.1 (#206)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.6.1 to 15.12.1.
- [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
...

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

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

web/package-lock.json

@@ -344,9 +344,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "15.6.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.1.tgz",
-      "integrity": "sha512-7EIraBEyRHEe7CH+Fm1XvgqU6uwZN8Q7jppJGcqjROMT29qhAuuOxYB1uEY5UMYQKEmA5D+5tBnhdaPXSsLONA=="
+      "version": "15.12.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.12.1.tgz",
+      "integrity": "sha512-zyxJM8I1c9q5sRMtVF+zdd13Jt6RU4r4qfhTd7lQubyThvLfx6yYekWSQjGCGV2Tkecgxnlpl/DNlb6Hg+dmEw=="
     },
     "@types/prop-types": {
       "version": "15.7.3",

web/package.json

@@ -30,7 +30,7 @@
     "@types/chart.js": "^2.9.32",
     "@types/classnames": "^2.3.1",
     "@types/markdown-it": "^12.0.1",
-    "@types/node": "^15.6.1",
+    "@types/node": "^15.12.1",
     "@types/prop-types": "^15.7.3",
     "@types/react": "^17.0.9",
     "@types/react-linkify": "^1.0.0",