Bump semantic-kernel in the uv group across 1 directory

Bumps the uv group with 1 update in the / directory: [semantic-kernel](https://github.com/microsoft/semantic-kernel).


Updates `semantic-kernel` from 1.39.3 to 1.39.4
- [Release notes](https://github.com/microsoft/semantic-kernel/releases)
- [Commits](microsoft/semantic-kernel@python-1.39.3...python-1.39.4)

---
updated-dependencies:
- dependency-name: semantic-kernel
  dependency-version: 1.39.4
  dependency-type: indirect
  dependency-group: uv
...

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

Author: dependabot[bot]