Bump @types/node from 14.14.41 to 15.0.0 (#143)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.41 to 15.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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web/package-lock.json

@@ -351,9 +351,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "14.14.41",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.41.tgz",
-      "integrity": "sha512-dueRKfaJL4RTtSa7bWeTK1M+VH+Gns73oCgzvYfHZywRCoPSd8EkXBL0mZ9unPTveBn+D9phZBaxuzpwjWkW0g=="
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.0.0.tgz",
+      "integrity": "sha512-YN1d+ae2MCb4U0mMa+Zlb5lWTdpFShbAj5nmte6lel27waMMBfivrm0prC16p/Di3DyTrmerrYUT8/145HXxVw=="
     },
     "@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": "^14.14.41",
+    "@types/node": "^15.0.0",
     "@types/prop-types": "^15.7.3",
     "@types/react": "^17.0.3",
     "@types/react-linkify": "^1.0.0",