Bump rsa from 0.9.0-pre.1 to 0.9.0-pre.2 (#500)

Bumps [rsa](https://github.com/RustCrypto/RSA) from 0.9.0-pre.1 to 0.9.0-pre.2.
- [Release notes](https://github.com/RustCrypto/RSA/releases)
- [Changelog](https://github.com/RustCrypto/RSA/blob/master/CHANGELOG.md)
- [Commits](https://github.com/RustCrypto/RSA/compare/v0.9.0-pre.1...v0.9.0-pre.2)

---
updated-dependencies:
- dependency-name: rsa
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -37,7 +37,7 @@ p384 = "0.13"
 pbkdf2 = { version = "0.12", default-features = false, features = ["hmac"] }
 pcsc = "2.3.1"
 rand_core = { version = "0.6", features = ["std"] }
-rsa = "=0.9.0-pre.1"
+rsa = "=0.9.0-pre.2"
 secrecy = "0.8"
 sha1 = { version = "0.10", features = ["oid"] }
 sha2 = { version = "0.10", features = ["oid"] }