fix: include dist directories to package

`dist-*` doesn't work with `npm@9` and nothing is packed.

This commit fixes `files` to a proper glob pattern so that `npm pack`
can include all files with `npm@9`.

Author: riywo

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

@@ -35,5 +35,5 @@
       "dist-types/*": ["dist-types/ts3.4/*"]
     }
   },
-  "files": ["dist-*"]
+  "files": ["dist-*/**"]
 }