rustPlatform.importCargoLock: copy lints from workspace

Rust 1.74 added support for configuring lints with cargo in a new
"lints" table. This also adds a new possible position to reference the
host workspace.

Fixes #273835

pkgs/build-support/rust/replace-workspace-values.py

@@ -96,6 +96,13 @@ def main() -> None:
                 workspace_manifest, crate_manifest["target"][key]
             )
 
+    if (
+        "lints" in crate_manifest
+        and "workspace" in crate_manifest["lints"]
+        and crate_manifest["lints"]["workspace"] is True
+    ):
+        crate_manifest["lints"] = workspace_manifest["lints"]
+
     if not changed:
         return