Bump tree-sitter, wasmtime (#8306)

Fixes
https://github.com/zed-industries/zed/issues/8296#issuecomment-1961957369

Release Notes:

- Fixed a crash that would happen when loading an extension that added a
grammar that was generated using a very old version of Tree-sitter
([#8296](https://github.com/zed-industries/zed/issues/8296)).

---------

Co-authored-by: Conrad <conrad@zed.dev>
Co-authored-by: Marshall <marshall@zed.dev>

crates/extension/src/extension_store.rs

@@ -415,10 +415,6 @@ impl ExtensionStore {
             }));
 
         for language_name in &languages_to_add {
-            if language_name.as_ref() == "Swift" {
-                continue;
-            }
-
             let language = manifest.languages.get(language_name.as_ref()).unwrap();
             let mut language_path = self.extensions_dir.clone();
             language_path.extend([language.extension.as_ref(), language.path.as_path()]);