fix: error during deserialization of "INVERTED" index type

rust/lancedb/src/index.rs

@@ -119,9 +119,8 @@ pub enum IndexType {
     #[serde(alias = "LABEL_LIST")]
     LabelList,
     // FTS
-    FTS,
     #[serde(alias = "INVERTED")]
-    Inverted,
+    FTS,
 }
 
 impl std::fmt::Display for IndexType {
@@ -134,7 +133,6 @@ impl std::fmt::Display for IndexType {
             Self::Bitmap => write!(f, "BITMAP"),
             Self::LabelList => write!(f, "LABEL_LIST"),
             Self::FTS => write!(f, "FTS"),
-            Self::Inverted => write!(f, "FTS"),
         }
     }
 }