chore: bump tslib to 2.3.0 (#387)

Author: AllanZhengYP

smithy-typescript-codegen/src/main/resources/software/amazon/smithy/typescript/codegen/base-package.json

@@ -25,7 +25,7 @@
   },
   "sideEffects": false,
   "dependencies": {
-    "tslib": "^2.0.0"
+    "tslib": "^2.3.0"
   },
   "devDependencies": {
     "downlevel-dts": "0.7.0",