Bump kubernetes from 27.2.0 to 28.1.0 in /tests (#4372)

Bumps [kubernetes](https://github.com/kubernetes-client/python) from 27.2.0 to 28.1.0.
- [Release notes](https://github.com/kubernetes-client/python/releases)
- [Changelog](https://github.com/kubernetes-client/python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kubernetes-client/python/commits)

---
updated-dependencies:
- dependency-name: kubernetes
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

tests/requirements.txt

@@ -325,9 +325,9 @@ iniconfig==2.0.0 \
     # via
     #   -r requirements.txt
     #   pytest
-kubernetes==27.2.0 \
-    --hash=sha256:0f9376329c85cf07615ed6886bf9bf21eb1cbfc05e14ec7b0f74ed8153cd2815 \
-    --hash=sha256:d479931c6f37561dbfdf28fc5f46384b1cb8b28f9db344ed4a232ce91990825a
+kubernetes==28.1.0 \
+    --hash=sha256:10f56f8160dcb73647f15fafda268e7f60cf7dbc9f8e46d52fcd46d3beb0c18d \
+    --hash=sha256:1468069a573430fb1cb5ad22876868f57977930f80a6749405da31cd6086a7e9
     # via -r requirements.txt
 mock==5.1.0 \
     --hash=sha256:18c694e5ae8a208cdb3d2c20a993ca1a7b0efa258c247a1e565150f477f83744 \