Update Rust crate serde_yaml to 0.9.4

Cargo.lock

@@ -1502,12 +1502,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33a33a362ce288760ec6a508b94caaec573ae7d3bbbd91b87aa0bad4456839db"
 
-[[package]]
-name = "linked-hash-map"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
-
 [[package]]
 name = "local-channel"
 version = "0.1.3"
@@ -2218,14 +2212,15 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.26"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
+checksum = "79b7c9017c64a49806c6e8df8ef99b92446d09c92457f85f91835b01a8064ae0"
 dependencies = [
  "indexmap",
+ "itoa",
  "ryu",
  "serde",
- "yaml-rust",
+ "unsafe-libyaml",
 ]
 
 [[package]]
@@ -2600,6 +2595,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "931179334a56395bcf64ba5e0ff56781381c1a5832178280c7d7f91d1679aeb0"
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"
@@ -2821,15 +2822,6 @@ version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
-[[package]]
-name = "yaml-rust"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
-dependencies = [
- "linked-hash-map",
-]
-
 [[package]]
 name = "zeroize"
 version = "1.4.3"

Cargo.toml

@@ -14,7 +14,7 @@ clap = { version = "3.2.12", features = ["derive", "env"] }
 include_dir = "0.7.2"
 log = "0.4.17"
 serde_json = "1.0.82"
-serde_yaml = "0.8.23"
+serde_yaml = "0.9.4"
 env_logger = "0.9.0"
 serde = { version = "1.0.139", features = ["derive"] }
 bcrypt = "0.11.0"