chore(deps): Update string-cache (#743)

**Description:**

I want to check the performance difference caused by servo/string-cache#268.

Author: kdy1

Cargo.lock

@@ -3,6 +3,7 @@ use std::sync::Arc;
 use stc_ts_builtin_types::Lib;
 use stc_ts_env::{BuiltIn, Env, ModuleConfig, StableEnv};
 use stc_ts_file_analyzer::env::BuiltInGen;
+use swc_atoms::JsWord;
 use swc_common::DUMMY_SP;
 
 #[test]
@@ -88,7 +89,7 @@ pub fn intl() {
             let i = intl.expect_module();
             let type_names = i.exports.types.iter().map(|v| v.0).collect::<Vec<_>>();
             eprintln!("Type names: {:?}", type_names);
-            assert!(i.exports.types.contains_key(&"NumberFormatOptions".into()));
+            assert!(i.exports.types.contains_key(&JsWord::from("NumberFormatOptions")));
         }
 
         Ok(())