Bump pynacl from 1.5.0 to 1.6.0 (#1133)

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ aiomcache==0.8.2
 cryptography==45.0.7
 docker==7.1.0
 multidict==6.6.4
-pynacl==1.5.0
+pynacl==1.6.0
 pytest==8.3.5
 pytest-aiohttp==1.1.0
 pytest-cov==7.0.0