Update Rust crate slog-bunyan to 2.5.0 (#1139)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.toml

@@ -84,7 +84,7 @@ signal-hook = "0.3.17"
 signal-hook-tokio = { version = "0.3.1", features = ["futures-v0_3"] }
 slog = { version = "2.7", features = ["max_level_trace", "release_max_level_debug"] }
 slog-async = { version = "2.8" }
-slog-bunyan = "2.4.0"
+slog-bunyan = "2.5.0"
 slog-dtrace = "0.3"
 slog-term = { version = "2.9" }
 static_assertions = "1.1.0"