Bump chrono from 0.4.15 to 0.4.18

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.15 to 0.4.18.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/main/CHANGELOG.md)
- [Commits](https://github.com/chronotope/chrono/compare/v0.4.15...v0.4.18)

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

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index f179f28..03e1e37 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ bytesize = "1.0.0"
 nanoid = "0.3"
 alphanumeric-sort = "1.4.0"
 structopt = "0.3"
-chrono = "0.4.15"
+chrono = "0.4.18"
 chrono-humanize = "0.1.1"
 maud = { version = "0.22.0", features = ["actix-web"] }
 serde = { version = "1.0.115", features = ["derive"] }