Update der-parser requirement from 8 to 9

Updates the requirements on [der-parser](https://github.com/rusticata/der-parser) to permit the latest version.
- [Release notes](https://github.com/rusticata/der-parser/releases)
- [Changelog](https://github.com/rusticata/der-parser/blob/master/CHANGELOG.md)
- [Commits](rusticata/der-parser@der-parser-8.0.0...der-parser-9.0.0)

---
updated-dependencies:
- dependency-name: der-parser
  dependency-type: direct:production
...

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

curve25519-parser/Cargo.toml

@@ -12,7 +12,7 @@ readme = "../README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-der-parser = { version = "8", default-features = false}
+der-parser = { version = "9", default-features = false}
 curve25519-dalek = { version = "4", default-features = false}
 x25519-dalek = { version = "2", default-features = false, features=["static_secrets"]}
 sha2 = { version = "0", default-features = false}