Merge pull request #47 from RabbitHouseCorp/dependabot/cargo/base64-0.21.0

Update base64 requirement from 0.20.0 to 0.21.0

Author: DaviGCD

Cargo.toml

@@ -29,7 +29,7 @@ serde = { version = "1.0.130", features = ["derive"] }
 serde_derive = "1.0.136"
 dotenv = "0.15.0"
 rustc-serialize = "0.3.24"
-base64 = "0.20.0"
+base64 = "0.21.0"
 aes-gcm = "0.10.1"
 serde_json = "1.0.68"
 hex = "0.4.3"