Bump @types/node from 15.6.0 to 15.9.0 (#6127)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.6.0 to 15.9.0.
- [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
...
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package-lock.json

@@ -3626,9 +3626,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "15.6.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.0.tgz",
-      "integrity": "sha512-gCYSfQpy+LYhOFTKAeE8BkyGqaxmlFxe+n4DKM6DR0wzw/HISUE/hAmkC/KT8Sw5PCJblqg062b3z9gucv3k0A==",
+      "version": "15.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.9.0.tgz",
+      "integrity": "sha512-AR1Vq1Ei1GaA5FjKL5PBqblTZsL5M+monvGSZwe6sSIdGiuu7Xr/pNwWJY+0ZQuN8AapD/XMB5IzBAyYRFbocA==",
       "dev": true
     },
     "@types/normalize-package-data": {

package.json

@@ -146,7 +146,7 @@
     "@types/jest": "26.0.23",
     "@types/js-yaml": "4.0.1",
     "@types/lodash": "4.14.170",
-    "@types/node": "15.6.0",
+    "@types/node": "15.9.0",
     "codelyzer": "6.0.2",
     "concurrently": "6.2.0",
     "cypress": "7.4.0",