ci: bump setuptools from 78.1.1 to 84.1.0

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](pypa/setuptools@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>

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
 cython==3.3.0
-setuptools==78.1.1
+setuptools==84.1.0
 pytest
 build