Update setuptools requirement from <71 to <77

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@0.6...v76.0.0)

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

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

Author: dependabot[bot]

setup.py

@@ -99,8 +99,8 @@ def get_version(version_file):
     # when attempting to reinstall this package, since then setuptools cannot
     # be imported.  This is precisely what happens during idempotence testing
     # of cisagov/ansible-role-pca-gophish-composition, so we must insist that
-    # only setuptools<71 is installed.
-    install_requires=["docopt", "gophish", "setuptools<71"],
+    # only setuptools<77 is installed.
+    install_requires=["docopt", "gophish", "setuptools<77"],
     extras_require={
         # IMPORTANT: Keep type hinting-related dependencies of the dev section
         # in sync with the mypy pre-commit hook configuration (see