Bump actions/stale from 3.0.18 to 3.0.19
Bump actions/stale from 3.0.18 to 3.0.19

Bumps [actions/stale](https://github.com/actions/stale) from 3.0.18 to 3.0.19.
- [Release notes](https://github.com/actions/stale/releases)
- [Commits](https://github.com/actions/stale/compare/v3.0.18...v3.0.19)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
excon/excon