Bump python-gnupg from 0.5.2 to 0.5.3

Bumps [python-gnupg](https://github.com/vsajip/python-gnupg) from 0.5.2 to 0.5.3.
- [Release notes](https://github.com/vsajip/python-gnupg/releases)
- [Changelog](https://github.com/vsajip/python-gnupg/blob/master/release)
- [Commits](vsajip/python-gnupg@0.5.2...0.5.3)

---
updated-dependencies:
- dependency-name: python-gnupg
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -14,7 +14,7 @@ click = "^8"
 docker = "^7.1.0"
 pexpect = "^4.8.0"
 pylev = "^1.3.0"
-python-gnupg = "^0.5.2"
+python-gnupg = "^0.5.3"
 pyyaml = "^6"
 semver = "^3.0.2"
 toml = "^0.10.0"