Bump num-bigint from 0.4.1 to 0.4.2 (#68)

Bumps [num-bigint](https://github.com/rust-num/num-bigint) from 0.4.1 to 0.4.2.
- [Release notes](https://github.com/rust-num/num-bigint/releases)
- [Changelog](https://github.com/rust-num/num-bigint/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-num/num-bigint/compare/num-bigint-0.4.1...num-bigint-0.4.2)

---
updated-dependencies:
- dependency-name: num-bigint
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

1 files changed, 2 insertions, 2 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 2bdeb78..d5a0eb6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -186,9 +186,9 @@ checksum = "3cb00336871be5ed2c8ed44b60ae9959dc5b9f08539422ed43f09e34ecaeba21"
 
 [[package]]
 name = "num-bigint"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76e97c412795abf6c24ba30055a8f20642ea57ca12875220b854cfa501bf1e48"
+checksum = "74e768dff5fb39a41b3bcd30bb25cf989706c90d028d1ad71971987aa309d535"
 dependencies = [
  "autocfg 1.0.1",
  "num-integer",