Bump cryptography from 46.0.7 to 48.0.1

Bumps [cryptography](https://github.com/pyca/cryptography) from 46.0.7 to 48.0.1.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/46.0.7...48.0.1)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 48.0.1
  dependency-type: direct:production
...

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

pyproject.toml

@@ -51,7 +51,7 @@ dependencies = [
     "rich-argparse (>=1.6.0,<2.0.0)",
     "ruamel-yaml (>=0.18.10,<0.19.0)",
     "rfc3161-client (>=1.0.5)",
-    "cryptography (>=46.0.3)",
+    "cryptography (>=48.0.1)",
     "opentimestamps (>=0.4.5,<0.5.0)",
     "bgutil-ytdlp-pot-provider (>=1.0.0)",
     "yt-dlp[curl-cffi,default] (>=2025.5.22)",