Bump @types/node from 15.0.3 to 15.3.0 in /dashboard (#2815)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.0.3 to 15.3.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

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

dashboard/package.json

@@ -116,7 +116,7 @@
     "@types/enzyme": "^3.10.8",
     "@types/enzyme-adapter-react-16": "^1.0.6",
     "@types/jest": "^26.0.23",
-    "@types/node": "^15.0.3",
+    "@types/node": "^15.3.0",
     "@types/react-dom": "^17.0.5",
     "@types/react-helmet": "^6.1.1",
     "@types/react-redux": "^7.1.16",

dashboard/yarn.lock

@@ -2190,10 +2190,10 @@
   dependencies:
     axios "^0.21.1"
 
-"@types/node@*", "@types/node@>=13.7.0", "@types/node@^15.0.3":
-  version "15.0.3"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.0.3.tgz#ee09fcaac513576474c327da5818d421b98db88a"
-  integrity sha512-/WbxFeBU+0F79z9RdEOXH4CsDga+ibi5M8uEYr91u3CkT/pdWcV8MCook+4wDPnZBexRdwWS+PiVZ2xJviAzcQ==
+"@types/node@*", "@types/node@>=13.7.0", "@types/node@^15.3.0":
+  version "15.3.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.3.0.tgz#d6fed7d6bc6854306da3dea1af9f874b00783e26"
+  integrity sha512-8/bnjSZD86ZfpBsDlCIkNXIvm+h6wi9g7IqL+kmFkQ+Wvu3JrasgLElfiPgoo8V8vVfnEi0QVS12gbl94h9YsQ==
 
 "@types/node@14":
   version "14.14.43"