Update setuptools requirement from ~=69.0.3 to ~=70.0.0

Updates the requirements on [setuptools](https://github.com/pypa/setuptools) to permit the latest version.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v69.0.3...v70.0.0)

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

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

requirements.txt

@@ -1,5 +1,5 @@
 sphinx~=7.2.6
-setuptools~=69.0.3
+setuptools~=70.0.0
 numpy~=1.26.4
 pyiron_atomistics~=0.4.17
 ase~=3.22.1