build(deps): bump sha2 from 0.11.0-rc.5 to 0.11 (#481)

Author: dependabot[bot]

Cargo.lock

@@ -30,7 +30,7 @@ package = "ssh-encoding"
 features = ["base64", "digest", "pem", "subtle", "zeroize"]
 
 [dependencies]
-sha2 = { version = "0.11.0-rc.5", default-features = false }
+sha2 = { version = "0.11", default-features = false }
 signature = { version = "3.0.0-rc.10", default-features = false }
 subtle = { version = "2", default-features = false }
 zeroize = { version = "1", default-features = false }