Update serde-big-array requirement from 0.3.2 to 0.4.1

Updates the requirements on [serde-big-array](https://github.com/est31/serde-big-array) to permit the latest version.
- [Release notes](https://github.com/est31/serde-big-array/releases)
- [Commits](https://github.com/est31/serde-big-array/compare/v0.3.2...v0.4.1)

---
updated-dependencies:
- dependency-name: serde-big-array
  dependency-type: direct:production
...

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

Cargo.toml

@@ -43,7 +43,7 @@ rand = "0.8.4"
 rustc-hash = "1.1.0"
 serde = "1.0.136"
 serde_derive = "1.0.136"
-serde-big-array = "0.3.2"
+serde-big-array = "0.4.1"
 siphasher = "0.3.9"
 tokio = { version = "1.16.1", features = [
   "net",