build(deps): bump elliptic-curve from 0.13.4 to 0.13.5 (#719)

Bumps [elliptic-curve](https://github.com/RustCrypto/traits) from 0.13.4 to 0.13.5.
- [Commits](RustCrypto/traits@elliptic-curve-v0.13.4...elliptic-curve/v0.13.5)

---
updated-dependencies:
- dependency-name: elliptic-curve
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

ecdsa/Cargo.toml

@@ -16,7 +16,7 @@ edition = "2021"
 rust-version = "1.65"
 
 [dependencies]
-elliptic-curve = { version = "0.13.4", default-features = false, features = ["digest", "sec1"] }
+elliptic-curve = { version = "0.13.5", default-features = false, features = ["digest", "sec1"] }
 signature = { version = "2.0, <2.2", default-features = false, features = ["rand_core"] }
 
 # optional dependencies