Bumps [dawidd6/action-send-mail](https://github.com/dawidd6/action-send-mail) from 3 to 4. - [Release notes](https://github.com/dawidd6/action-send-mail/releases) - [Commits](https://github.com/dawidd6/action-send-mail/compare/v3...v4) --- updated-dependencies: - dependency-name: dawidd6/action-send-mail dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>