Adjust lints for Rust 1.79

Author: jwodder

Cargo.toml

@@ -36,6 +36,7 @@ tokio = ["dep:futures-util", "dep:pin-project-lite", "dep:tokio", "dep:tokio-uti
 [lints.rust]
 # Lint groups:
 future_incompatible = { level = "deny", priority = -1 }
+refining_impl_trait = { level = "deny", priority = -1 }
 rust_2018_idioms = { level = "deny", priority = -1 }
 unused = { level = "deny", priority = -1 }
 
@@ -94,7 +95,6 @@ opaque_hidden_inferred_bound = "deny"
 overlapping_range_endpoints = "deny"
 private_bounds = "deny"
 private_interfaces = "deny"
-refining_impl_trait = "deny"
 renamed_and_removed_lints = "deny"
 special_module_name = "deny"
 stable_features = "deny"