chore(deps): bump oasis-sapphire-py from 0.4.1 to 0.4.2

Bumps [oasis-sapphire-py](https://github.com/oasisprotocol/sapphire-paratime) from 0.4.1 to 0.4.2.
- [Release notes](https://github.com/oasisprotocol/sapphire-paratime/releases)
- [Commits](oasisprotocol/sapphire-paratime@clients/py/v0.4.1...clients/py/v0.4.2)

---
updated-dependencies:
- dependency-name: oasis-sapphire-py
  dependency-version: 0.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
     "rlp>=4.0.0",
     "cbor2>=5.0.0",
     "oasis-rofl-client>=0.2.0",
-    "oasis-sapphire-py>=0.4.0",
+    "oasis-sapphire-py>=0.4.2",
     "cachetools>=7.1.4",
     "siwe>=4.3.0",
     "PyJWT>=2.8.0",