Update Rust crate chrono to v0.4.40 (#1489)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -17,7 +17,7 @@ comrak = { version = "=0.35.0", features = ["bon"] }
 rayon = "=1.10.0"
 regex = "=1.11.1"
 sass-rs = "=0.2.2"
-chrono = "=0.4.39"
+chrono = "=0.4.40"
 
 [workspace]
 members = ["serve"]