Update to tantivy v0.21.0 (#132)

Author: GodTamIt

Cargo.lock

@@ -15,7 +15,7 @@ pyo3-build-config = "0.19.1"
 
 [dependencies]
 chrono = "0.4.23"
-tantivy = "0.20.1"
+tantivy = "0.21.0"
 itertools = "0.10.5"
 futures = "0.3.26"
 pythonize = "0.19.0"

Cargo.toml

@@ -16,7 +16,7 @@ use index::Index;
 use query::Query;
 use schema::Schema;
 use schemabuilder::SchemaBuilder;
-use searcher::{DocAddress, SearchResult, Searcher};
+use searcher::{DocAddress, Order, SearchResult, Searcher};
 use snippet::{Snippet, SnippetGenerator};
 
 /// Python bindings for the search engine library Tantivy.
@@ -71,6 +71,7 @@ use snippet::{Snippet, SnippetGenerator};
 ///
 #[pymodule]
 fn tantivy(_py: Python, m: &PyModule) -> PyResult<()> {
+    m.add_class::<Order>()?;
     m.add_class::<Schema>()?;
     m.add_class::<SchemaBuilder>()?;
     m.add_class::<Searcher>()?;