Update Rust crate octocrab to 0.39.0

Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-octocrab  = "0.38.0"
+octocrab  = "0.39.0"
 concourse-resource = "0.3"
 tokio = { version = "1.37.0", features = ["rt-multi-thread", "macros"] }
 serde = "1.0.197"