allow nightly unstable_name_collisions lint due to BoolExt conflict

Signed-off-by: June Strawberry <june@basednetworking.com>
Signed-off-by: Jason Volk <jason@zemos.net>

Cargo.toml

@@ -876,6 +876,11 @@ unknown_lints = "allow"
 # mismatched_lifetime_syntaxes but it actually has not.
 renamed_and_removed_lints = "allow"
 
+# nightly has a new lint that conflicts with our BoolExt trait at
+# src/core/utils/bool.rs:68:48
+# <https://github.com/rust-lang/rust/issues/142748>
+unstable_name_collisions = "allow"                                   # TODO
+
 #######################################
 #
 # Clippy lints