Bump shadow-rs from 1.3.0 to 1.4.0 (#33)

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

Author: dependabot[bot]

Cargo.lock

@@ -24,7 +24,7 @@ unstable = ["all"]
 
 [build-dependencies]
 cfg_aliases = "0.2"
-shadow-rs = { version = "1.3", features = [
+shadow-rs = { version = "1.4", features = [
   "build",
   "tzdb",
 ], default-features = false }