build(deps): bump cron from 0.15.0 to 0.16.0

Bumps [cron](https://github.com/zslayton/cron) from 0.15.0 to 0.16.0.
- [Release notes](https://github.com/zslayton/cron/releases)
- [Commits](https://github.com/zslayton/cron/commits)

---
updated-dependencies:
- dependency-name: cron
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -33,7 +33,7 @@ subtle = { workspace = true }
 rand = { workspace = true }
 hex = { workspace = true }
 reqwest = { workspace = true }
-cron = "0.15"
+cron = "0.16"
 zeroize = { workspace = true }
 
 [target.'cfg(unix)'.dependencies]