Update immediate and transitive dependencies

I don't think this has happened in awhile but I've run a `cargo update`
as well as trimming some of the duplicate/older dependencies in
`Cargo.lock` by updating some of our immediate dependencies as well.

crates/debug/src/gc.rs

@@ -78,7 +78,7 @@ pub fn build_dependencies<R: Reader<Offset = usize>>(
 }
 
 fn build_unit_dependencies<R: Reader<Offset = usize>>(
-    header: read::CompilationUnitHeader<R>,
+    header: read::UnitHeader<R>,
     dwarf: &read::Dwarf<R>,
     at: &AddressTransform,
     deps: &mut Dependencies,