Bump setuptools from 78.1.1 to 84.1.0 in /python

Bumps [setuptools](https://github.com/pypa/setuptools) from 78.1.1 to 84.1.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](https://github.com/pypa/setuptools/compare/v78.1.1...v84.1.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-version: 84.1.0
  dependency-type: direct:production
...

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

python/requirements.txt

diff --git a/python/requirements.txt b/python/requirements.txt
index 761464b..4a9d6e2 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,4 +1,4 @@
 numpy==2.2.6; python_version < '3.14'
 numpy==2.5.3; python_version >= '3.14'
-setuptools==78.1.1
+setuptools==84.1.0
 absl-py==2.1.0