build(deps): update setuptools requirement from >=68.0.0 to >=84.0.0

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@v68.0.0...v84.0.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-version: 84.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -2,6 +2,6 @@ jsonpickle>=3.3, <4.1
 python-dateutil>= 2.9.0.post0, < 3.0
 apimatic-core-interfaces~=0.1.0, >= 0.1.8
 requests~=2.31
-setuptools>=68.0.0
+setuptools>=84.0.0
 jsonpointer~=3.0
 typing-extensions~=4.0