chore: update flake.lock

fix/src/lib.rs

@@ -166,7 +166,7 @@ impl Evaluator {
     }
 }
 
-impl VmContext for &mut Evaluator {
+impl VmContext for Evaluator {
     fn intern_string(&mut self, s: impl AsRef<str>) -> StringId {
         StringId(self.strings.get_or_intern(s))
     }