build(deps): bump sec1 from 0.8.0-rc.3 to 0.8.0-rc.4

Bumps [sec1](https://github.com/RustCrypto/formats) from 0.8.0-rc.3 to 0.8.0-rc.4.
- [Commits](RustCrypto/formats@sec1/v0.8.0-rc.3...sec1/v0.8.0-rc.4)

---
updated-dependencies:
- dependency-name: sec1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -39,7 +39,7 @@ p384 = { version = "=0.14.0-pre.1", optional = true, default-features = false, f
 p521 = { version = "=0.14.0-pre.1", optional = true, default-features = false, features = ["ecdsa"] }
 rand_core = { version = "0.6.4", optional = true, default-features = false }
 rsa = { version = "=0.10.0-pre.3", optional = true, default-features = false, features = ["sha2"] }
-sec1 = { version = "0.8.0-rc.3", optional = true, default-features = false, features = ["point"] }
+sec1 = { version = "0.8.0-rc.4", optional = true, default-features = false, features = ["point"] }
 serde = { version = "1.0.16", optional = true }
 sha1 = { version = "=0.11.0-pre.4", optional = true, default-features = false, features = ["oid"] }