Bump pontos from 21.6.12 to 21.7.1

Bumps [pontos](https://github.com/greenbone/pontos) from 21.6.12 to 21.7.1.
- [Release notes](https://github.com/greenbone/pontos/releases)
- [Changelog](https://github.com/greenbone/pontos/blob/master/CHANGELOG.md)
- [Commits](greenbone/pontos@v21.6.12...v21.7.1)

---
updated-dependencies:
- dependency-name: pontos
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

pyproject.toml

@@ -51,7 +51,7 @@ black = {version = "20.8b1", python = "^3.6"}
 autohooks-plugin-pylint = "^1.2.0"
 mypy = "^0.910"
 pylint = "^2.6.2"
-pontos = {version="^21.6.12", python = "^3.7"}
+pontos = {version="^21.7.1", python = "^3.7"}
 
 
 [tool.black]