Auto merge of #4245 - rust-lang:renovate/hmac-0.x, r=Turbo87

Update Rust crate hmac to 0.12

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [hmac](https://crates.io/crates/hmac) | dependencies | minor | `0.11` -> `0.12` |

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Author: bors

Cargo.lock

@@ -15,6 +15,6 @@ path = "lib.rs"
 [dependencies]
 base64 = "0.13"
 chrono = "0.4"
-sha-1 = "0.9"
-hmac = "0.11"
+sha-1 = "0.10"
+hmac = "0.12"
 reqwest = { version = "0.11", features = ["blocking"] }

cargo-registry-s3/Cargo.toml

@@ -1,7 +1,7 @@
 #![warn(clippy::all, rust_2018_idioms)]
 
 use chrono::prelude::Utc;
-use hmac::{Hmac, Mac, NewMac};
+use hmac::{Hmac, Mac};
 use reqwest::{
     blocking::{Body, Client, Response},
     header,