Bump @types/node from 20.4.2 to 20.4.4 in /backstage

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.4.2 to 20.4.4.
- [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-patch
...

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

backstage/yarn.lock

@@ -7092,9 +7092,9 @@
     form-data "^3.0.0"
 
 "@types/node@*", "@types/node@>=12.12.47", "@types/node@>=13.7.0", "@types/node@^20.3.0":
-  version "20.4.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.4.2.tgz#129cc9ae69f93824f92fac653eebfb4812ab4af9"
-  integrity sha512-Dd0BYtWgnWJKwO1jkmTrzofjK2QXXcai0dmtzvIBhcA+RsG5h8R3xlyta0kGOZRNfL9GuRtb1knmPEhQrePCEw==
+  version "20.4.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.4.4.tgz#c79c7cc22c9d0e97a7944954c9e663bcbd92b0cb"
+  integrity sha512-CukZhumInROvLq3+b5gLev+vgpsIqC2D0deQr/yS1WnxvmYLlJXZpaQrQiseMY+6xusl79E04UjWoqyr+t1/Ew==
 
 "@types/node@^12.7.1":
   version "12.20.55"