Bump elliptic-curve from 0.13.5 to 0.13.6 (#529)

Bumps [elliptic-curve](https://github.com/RustCrypto/traits) from 0.13.5 to 0.13.6.
- [Commits](https://github.com/RustCrypto/traits/compare/elliptic-curve/v0.13.5...elliptic-curve-v0.13.6)

---
updated-dependencies:
- dependency-name: elliptic-curve
  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

@@ -275,9 +275,9 @@ dependencies = [
 
 [[package]]
 name = "elliptic-curve"
-version = "0.13.5"
+version = "0.13.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "968405c8fdc9b3bf4df0a6638858cc0b52462836ab6b1c87377785dd09cf1c0b"
+checksum = "d97ca172ae9dc9f9b779a6e3a65d308f2af74e5b8c921299075bdb4a0370e914"
 dependencies = [
  "base16ct",
  "crypto-bigint",