Update sec1 requirement from 0.7.3 to 0.8.1

Updates the requirements on [sec1](https://github.com/RustCrypto/formats) to permit the latest version.
- [Commits](RustCrypto/formats@der/v0.7.3...sec1/v0.8.1)

---
updated-dependencies:
- dependency-name: sec1
  dependency-version: 0.8.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -14,7 +14,7 @@ once_cell = "1.8.0"
 pkcs1 = { version = "0.7.5", features = ["std"] }
 pkcs8 = "0.10.2"
 rustls = { version = "0.23.20", default-features = false, features = ["std"] }
-sec1 = "0.7.3"
+sec1 = "0.8.1"
 windows = { version = "0.61.3", features = [
     "Win32_Security_Cryptography",
     "Win32_System_WinRT",