build(deps): update Rust dependencies

[jdrouet]

• Update all lockfile dependencies to latest compatible versions
• Bump enum-as-inner from 0.6 to 0.7
• Bump css-inline from 0.18 to 0.20
• Bump criterion from 0.5 to 0.8 (fix deprecated black_box import)
• Bump reqwest from 0.12 to 0.13 (rename rustls-tls feature to rustls)
• Bump pyo3 from 0.27 to 0.28 (add from_py_object to #[pyclass] types)

[github-actions]

📈 This is how your metrics evolved 📉

[SUCCESS] binary-size{name="mrml-cli", platform.os="linux", platform.arch="x86_64"} 7.02 MiB => 7.04 MiB Δ +18.27 kiB (+0.25 %)