Bump cygwin/cygwin-install-action from 6.0 to 6.1
Bumps [cygwin/cygwin-install-action](https://github.com/cygwin/cygwin-install-action) from 6.0 to 6.1.
- [Release notes](https://github.com/cygwin/cygwin-install-action/releases)
- [Commits](https://github.com/cygwin/cygwin-install-action/compare/
f2009323764960f80959895c7bc3bb30210afe4d...
711d29f3da23c9f4a1798e369a6f01198c13b11a)
---
updated-dependencies:
- dependency-name: cygwin/cygwin-install-action
dependency-version: '6.1'
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>