bump version to 0.8.1

Author: phillipleblanc

Cargo.lock

@@ -20,7 +20,7 @@ members = ["core", "python"]
 resolver = "2"
 
 [workspace.package]
-version = "0.8.0"
+version = "0.8.1"
 readme = "README.md"
 edition = "2021"
 repository = "https://github.com/datafusion-contrib/datafusion-table-providers"