Fix build breakage with current rustc:

error: the crate `bitflags` is compiled with the panic strategy `abort` which is incompatible with this crate's strategy of `unwind`

error: aborting due to previous error

error: the crate `bitflags` is compiled with the panic strategy `abort` which is incompatible with this crate's strategy of `unwind`

error: aborting due to previous error

error: Could not compile `gleam`.

Cargo.toml

@@ -7,4 +7,3 @@ members = [
 
 [profile.release]
 debug = true
-panic = "abort"