chore(deps): bump k256 from 0.11.5 to 0.11.6 (#1749)

Bumps [k256](https://github.com/RustCrypto/elliptic-curves) from 0.11.5 to 0.11.6.
- [Release notes](https://github.com/RustCrypto/elliptic-curves/releases)
- [Commits](https://github.com/RustCrypto/elliptic-curves/compare/k256/v0.11.5...k256/v0.11.6)

---
updated-dependencies:
- dependency-name: k256
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Cargo.lock

@@ -2165,9 +2165,9 @@ dependencies = [
 
 [[package]]
 name = "k256"
-version = "0.11.5"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3636d281d46c3b64182eb3a0a42b7b483191a2ecc3f05301fa67403f7c9bc949"
+checksum = "72c1e0b51e7ec0a97369623508396067a486bd0cbed95a2659a4b863d28cfc8b"
 dependencies = [
  "cfg-if 1.0.0",
  "ecdsa",