Increase dependency versions to real minimal versions

Author: sugar700

Cargo.toml

@@ -22,9 +22,9 @@ headers-core = { version = "0.2", path = "./headers-core" }
 base64 = "0.11"
 bitflags = "1.0"
 bytes = "0.5"
-mime = "0.3"
+mime = "0.3.14"
 sha-1 = "0.8"
-time = "0.1"
+time = "0.1.34"
 
 [features]
 nightly = []