deps: update rust crate serde_yaml to 0.9

Author: renovate[bot]

controllers/source/github-keys/Cargo.toml

@@ -15,7 +15,7 @@ kube = { version = "0.69", default-features = false, features = [
 k8s-openapi = { version = "0.14", default-features = false, features = [
   "v1_21",
 ] }
-serde_yaml = "0.8"
+serde_yaml = "0.9"
 
 fluxcd-api-source-github-keys = { version = "0.0.0", path = "../../../api/source/github-keys" }
 fluxcd-utils-cap = { version = "0.0.0", path = "../../../libs/utils/cap" }

libs/utils/cap/Cargo.toml

@@ -14,7 +14,7 @@ kube = { version = "0.69", default-features = false }
 schemars = "0.8"
 serde = "1"
 serde_json = "1"
-serde_yaml = "0.8"
+serde_yaml = "0.9"
 signal-hook = "0.3"
 signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }
 thiserror = "1"