chore(deps): bump cron from 0.12.1 to 0.15.0 (#647)

Bumps [cron](https://github.com/zslayton/cron) from 0.12.1 to 0.15.0.
- [Release notes](https://github.com/zslayton/cron/releases)
- [Commits](https://github.com/zslayton/cron/compare/v0.12.1...v0.15.0)

---
updated-dependencies:
- dependency-name: cron
  dependency-version: 0.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -80,7 +80,7 @@ prost = { version = "0.14", default-features = false }
 rusqlite = { version = "0.38", features = ["bundled"] }
 chrono = { version = "0.4", default-features = false, features = ["clock", "std", "serde"] }
 chrono-tz = "0.10"
-cron = "0.12"
+cron = "0.15"
 
 # Interactive CLI prompts
 dialoguer = { version = "0.12", features = ["fuzzy-select"] }