build(deps): bump tensorboard from 2.18.0 to 2.19.0

Bumps [tensorboard](https://github.com/tensorflow/tensorboard) from 2.18.0 to 2.19.0.
- [Release notes](https://github.com/tensorflow/tensorboard/releases)
- [Changelog](https://github.com/tensorflow/tensorboard/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorboard@2.18.0...2.19.0)

---
updated-dependencies:
- dependency-name: tensorboard
  dependency-version: 2.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,2 +1,2 @@
 torch==2.4.1
-tensorboard==2.18.0
+tensorboard==2.19.0