Bump sphinx-issues from 2.0.0 to 3.0.1
Bumps [sphinx-issues](https://github.com/sloria/sphinx-issues) from 2.0.0 to 3.0.1.
- [Release notes](https://github.com/sloria/sphinx-issues/releases)
- [Commits](https://github.com/sloria/sphinx-issues/compare/2.0.0...3.0.1)
---
updated-dependencies:
- dependency-name: sphinx-issues
dependency-type: direct:development
update-type: version-update:semver-major
...
Signed-off-by: dependabot[bot] <support@github.com>