chore(all): bump milli

* updates to Use the milli's heed dependency #2210

* Update index.rs

* Update store.rs

* Update mod.rs

* cargo fmt

meilisearch-lib/src/index/error.rs

@@ -21,7 +21,7 @@ pub enum IndexError {
 
 internal_error!(
     IndexError: std::io::Error,
-    heed::Error,
+    milli::heed::Error,
     fst::Error,
     serde_json::Error,
     update_file_store::UpdateFileStoreError,