chore(deps): bump cryptography from 47.0.0 to 48.0.0 in /tests

Bumps [cryptography](https://github.com/pyca/cryptography) from 47.0.0 to 48.0.0.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@47.0.0...48.0.0)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 48.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

tests/pyproject.toml

@@ -6,7 +6,7 @@ readme = "README.md"
 authors = [{ name = "TimMcCool" }]
 requires-python = ">=3.12.12"
 dependencies = [
-  "cryptography>=47.0.0",
+  "cryptography>=48.0.0",
   "pytest>=9.0.3",
   "python-dotenv>=1.2.2",
   "ruff>=0.15.13",