build(deps): bump pem-rfc7468 from 1.0.0-rc.1 to 1.0.0-rc.2

Bumps [pem-rfc7468](https://github.com/RustCrypto/formats) from 1.0.0-rc.1 to 1.0.0-rc.2.
- [Commits](https://github.com/RustCrypto/formats/commits/pem-rfc7468/v1.0.0-rc.2)

---
updated-dependencies:
- dependency-name: pem-rfc7468
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

elliptic-curve/Cargo.toml

@@ -31,7 +31,7 @@ ff = { version = "0.13", optional = true, default-features = false }
 group = { version = "0.13", optional = true, default-features = false }
 hkdf = { version = "=0.13.0-pre.4", optional = true, default-features = false }
 hex-literal = { version = "0.4", optional = true }
-pem-rfc7468 = { version = "1.0.0-rc.1", optional = true, features = ["alloc"] }
+pem-rfc7468 = { version = "1.0.0-rc.2", optional = true, features = ["alloc"] }
 pkcs8 = { version = "0.11.0-rc.1", optional = true, default-features = false }
 sec1 = { version = "0.8.0-rc.2", optional = true, features = ["subtle", "zeroize"] }
 serdect = { version = "=0.3.0-rc.0", optional = true, default-features = false, features = ["alloc"] }