fix: Repository::object_cache_size() now unsets the cache if Some(0) is passed.

Previously it would fail.

Author: Byron

gix/src/repository/cache.rs

@@ -11,6 +11,7 @@ impl crate::Repository {
     pub fn object_cache_size(&mut self, bytes: impl Into<Option<usize>>) {
         let bytes = bytes.into();
         match bytes {
+            Some(bytes) if bytes == 0 => self.objects.unset_object_cache(),
             Some(bytes) => self
                 .objects
                 .set_object_cache(move || Box::new(crate::object::cache::MemoryCappedHashmap::new(bytes))),