⬆️ - Update Rust crate base64 to 0.22.0

Author: renovate[bot]

kernel/Cargo.toml

@@ -15,7 +15,7 @@ uuid = { version = "1.5", features = ["serde", "v4"] }
 time = { version = "0.3", features = ["serde"] }
 serde = { version = "1", features = ["derive"] }
 sha2 = "0.10.8"
-base64 = "0.21.5"
+base64 = "0.22.0"
 once_cell = "1"
 destructure = "0.5.5"
 async-trait = "0.1"