chore(deps): update num-bigint requirement from 0.4 to 0.5

Updates the requirements on [num-bigint](https://github.com/rust-num/num-bigint) to permit the latest version.
- [Changelog](https://github.com/rust-num/num-bigint/blob/master/RELEASES.md)
- [Commits](rust-num/num-bigint@num-bigint-0.4.0...num-bigint-0.5.0)

---
updated-dependencies:
- dependency-name: num-bigint
  dependency-version: 0.5.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -7,7 +7,7 @@ authors = ["Anshul Malik <malikanshul29@gmail.com>"]
 [dependencies]
 nalgebra = "0.34.0"
 ndarray = "0.17.2"
-num-bigint = { version = "0.4", optional = true }
+num-bigint = { version = "0.5", optional = true }
 num-traits = { version = "0.2", optional = true }
 rand = "0.10.1"