chore(deps): bump webpki from 0.22.0 to 0.22.2 in /tests/rust (#609)

Bumps [webpki](https://github.com/briansmith/webpki) from 0.22.0 to 0.22.2.
- [Commits](https://github.com/briansmith/webpki/commits)

---
updated-dependencies:
- dependency-name: webpki
  dependency-type: indirect
...

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

tests/rust/Cargo.lock

@@ -1206,9 +1206,9 @@ dependencies = [
 
 [[package]]
 name = "webpki"
-version = "0.22.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
+checksum = "07ecc0cd7cac091bf682ec5efa18b1cff79d617b84181f38b3951dbe135f607f"
 dependencies = [
  "ring",
  "untrusted",