build(deps-dev): bump @types/node in /graph-tutorial

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.14.2 to 26.6.5.
- [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-version: 26.6.5
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

graph-tutorial/package.json

@@ -49,7 +49,7 @@
     "@testing-library/react": "^15.0.7",
     "@testing-library/user-event": "^14.5.2",
     "@types/jest": "^29.5.11",
-    "@types/node": "^20.14.2",
+    "@types/node": "^26.6.5",
     "@types/react": "^18.3.6",
     "@types/react-dom": "^18.3.0",
     "@types/react-router-dom": "^5.3.3",

graph-tutorial/yarn.lock

@@ -2211,12 +2211,12 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*", "@types/node@^20.14.2":
-  version "20.14.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.14.2.tgz#a5f4d2bcb4b6a87bffcaa717718c5a0f208f4a18"
-  integrity sha512-xyu6WAMVwv6AKFLB+e/7ySZVr/0zLCzOa7rSpq6jNwpqOrUbcACDWC+53d4n2QHOnDou0fbIsg8wZu/sxrnI4Q==
+"@types/node@*", "@types/node@^26.6.5":
+  version "26.6.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-26.6.5.tgz#cb35209e7767c503551b5fa42a48231c7441d979"
+  integrity sha512-uMzsv9stDdofIZBx4UGh4Z9ZgXnGC9seRDscilBcTHAeOFk67MZg/k9bWVfO+bk4qZmG+l52hRnLwUiH2LnJTg==
   dependencies:
-    undici-types "~5.26.4"
+    undici-types "~8.9.0"
 
 "@types/parse-json@^4.0.0":
   version "4.0.2"
@@ -9414,10 +9414,10 @@ underscore@1.12.1:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
   integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
 
-undici-types@~5.26.4:
-  version "5.26.5"
-  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
-  integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
+undici-types@~8.9.0:
+  version "8.9.0"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-8.9.0.tgz#e240d97c8b5d85e5347ce73d25865c7906c1ec9f"
+  integrity sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==
 
 unicode-canonical-property-names-ecmascript@^2.0.0:
   version "2.0.0"