Explicitly allow `clippy::new_without_default` style lint (#36434)

tidely and Marshall Bowers created

Discussed in #36432

Release Notes:

- N/A

---------

Co-authored-by: Marshall Bowers <git@maxdeviant.com>

Change summary

Cargo.toml | 2 ++
1 file changed, 2 insertions(+)

Detailed changes

Cargo.toml 🔗

@@ -832,6 +832,8 @@ new_ret_no_self = { level = "allow" }
 # compared to Iterator::next. Yet, clippy complains about those.
 should_implement_trait = { level = "allow" }
 let_underscore_future = "allow"
+# It doesn't make sense to implement `Default` unilaterally.
+new_without_default = "allow"
 
 # in Rust it can be very tedious to reduce argument count without
 # running afoul of the borrow checker.