Allow unnecessary_conversion_for_trait in packaging module

internal/src/packaging.rs

@@ -1,3 +1,9 @@
+// smoelius: Since the update to `rust_embed` 8.3.0, `unnecessary_conversion_for_trait` started
+// firing on `struct Template`. Requiring `!expr.span.from_expansion()` in
+// `unnecessary_conversion_for_trait` causes one of its tests to fail. So allow the lint for now.
+#![cfg_attr(dylint_lib = "overscoped_allow", allow(overscoped_allow))]
+#![cfg_attr(dylint_lib = "supplementary", allow(unnecessary_conversion_for_trait))]
+
 use crate::cargo::{current_metadata, package};
 use anyhow::{anyhow, Context, Result};
 use rust_embed::RustEmbed;