Update setuptools requirement from <68.2,>=51.0 to >=51.0,<68.3 (#220)

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@v51.0.0...v68.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

setup.py

@@ -12,7 +12,7 @@
     description="A lightweight face-recognition toolbox.",
     long_description=open("README.md").read(),
     install_requires=[
-        "setuptools>=51.0,<68.2",
+        "setuptools>=51.0,<68.3",
         "opencv-python>=4.5.1.48,<4.8.1.0",
         "numpy>=1.19.5,<1.26.0",
         "tqdm>=4.59,<4.67",