Bump setuptools from 69.2.0 to 70.3.0

Bumps [setuptools](https://github.com/pypa/setuptools) from 69.2.0 to 70.3.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v69.2.0...v70.3.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -1,4 +1,4 @@
-setuptools==69.2.0
+setuptools==70.3.0
 sphinx==5.3.0
 sphinx_rtd_theme==2.0.0
 coverage==7.4.4