build(deps): bump once_cell from 1.17.0 to 1.17.1 (#766)

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.17.0 to 1.17.1.
- [Release notes](https://github.com/matklad/once_cell/releases)
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](matklad/once_cell@v1.17.0...v1.17.1)

---
updated-dependencies:
- dependency-name: once_cell
  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>

k256/Cargo.toml

@@ -22,7 +22,7 @@ cfg-if = "1.0"
 elliptic-curve = { version = "=0.13.0-pre.5", default-features = false, features = ["hazmat", "sec1"] }
 
 # optional dependencies
-once_cell = { version = "1.16", optional = true, default-features = false }
+once_cell = { version = "1.17", optional = true, default-features = false }
 ecdsa-core = { version = "=0.16.0-pre.1", package = "ecdsa", optional = true, default-features = false, features = ["der"] }
 hex-literal = { version = "0.3", optional = true }
 serdect = { version = "0.1", optional = true, default-features = false }