Bump pynacl from 1.5.0 to 1.6.2

Bumps [pynacl](https://github.com/pyca/pynacl) from 1.5.0 to 1.6.2.
- [Changelog](https://github.com/pyca/pynacl/blob/main/CHANGELOG.rst)
- [Commits](pyca/pynacl@1.5.0...1.6.2)

---
updated-dependencies:
- dependency-name: pynacl
  dependency-version: 1.6.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -67,7 +67,7 @@ pygments==2.19.1
 pyjwt==2.10.1
 pymarkdownlnt==0.9.29
 pymdown-extensions==10.14.3
-pynacl==1.5.0
+pynacl==1.6.2
 python-dateutil==2.9.0.post0
 python-dotenv==1.0.1
 python-multipart==0.0.20