Bump pynacl from 1.5.0 to 1.6.0

Bumps [pynacl](https://github.com/pyca/pynacl) from 1.5.0 to 1.6.0.
- [Changelog](https://github.com/pyca/pynacl/blob/main/CHANGELOG.rst)
- [Commits](pyca/pynacl@1.5.0...1.6.0)

---
updated-dependencies:
- dependency-name: pynacl
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -40,7 +40,7 @@ platformdirs==4.4.0
 pycparser==2.22
 PyGithub==2.8.1
 PyJWT==2.10.1
-PyNaCl==1.5.0
+PyNaCl==1.6.0
 pyparsing==3.2.5
 pyrsistent==0.20.0
 python-dateutil==2.9.0.post0