Bump @jupyterlab/builder from 4.4.3 to 4.4.5 in /js

Bumps [@jupyterlab/builder](https://github.com/jupyterlab/jupyterlab) from 4.4.3 to 4.4.5.
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/main/RELEASE.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/[email protected]...@jupyterlab/[email protected])

---
updated-dependencies:
- dependency-name: "@jupyterlab/builder"
  dependency-version: 4.4.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

js/package.json

@@ -53,7 +53,7 @@
     "@babel/core": "^7.27.1",
     "@babel/eslint-parser": "^7.27.5",
     "@babel/preset-env": "^7.27.2",
-    "@jupyterlab/builder": "^4.4.2",
+    "@jupyterlab/builder": "^4.4.5",
     "babel-jest": "^30.0.2",
     "cpy-cli": "^5.0.0",
     "eslint": "^8.57.1",