chore(deps): bump ecdsa from 0.13.3 to 0.13.4 (#767)

Bumps [ecdsa](https://github.com/RustCrypto/signatures) from 0.13.3 to 0.13.4.
- [Release notes](https://github.com/RustCrypto/signatures/releases)
- [Commits](https://github.com/RustCrypto/signatures/compare/ecdsa/v0.13.3...ecdsa/v0.13.4)

---
updated-dependencies:
- dependency-name: ecdsa
  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>

Cargo.lock

@@ -939,9 +939,9 @@ checksum = "453440c271cf5577fd2a40e4942540cb7d0d2f85e27c8d07dd0023c925a67541"
 
 [[package]]
 name = "ecdsa"
-version = "0.13.3"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e91ae02c7618ee05108cd86a0be2f5586d1f0d965bede7ecfd46815f1b860227"
+checksum = "d0d69ae62e0ce582d56380743515fefaf1a8c70cec685d9677636d7e30ae9dc9"
 dependencies = [
  "der",
  "elliptic-curve",

ethers-core/Cargo.toml

@@ -16,7 +16,7 @@ arrayvec = { version = "0.7.2", default-features = false }
 rlp-derive = { version = "0.1.0", default-features = false }
 
 # crypto
-ecdsa = { version = "0.13.3", default-features = false, features = ["std"] }
+ecdsa = { version = "0.13.4", default-features = false, features = ["std"] }
 elliptic-curve = { version = "0.11.5", default-features = false }
 generic-array = { version = "0.14.5", default-features = false }
 k256 = { version = "0.10.1", default-features = false, features = ["keccak256", "ecdsa"] }