Update setuptools requirement from ~=70.0.0 to ~=70.3.0

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@v70.0.0...v70.3.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 Django==5.0.6
 requests==2.32.3
-setuptools~=70.0.0
+setuptools~=70.3.0
 django-appointment==3.6.0
 django-dotenv==1.4.2