fix(serverless): module resolution when not using node16 or nodenext (#567)

Author: Gabrola

.changeset/seven-ants-bake.md

@@ -0,0 +1,5 @@
+---
+'@ts-rest/serverless': patch
+---
+
+Fix module resolution when not using node16 or nodenext

libs/ts-rest/serverless/package.json

@@ -20,5 +20,10 @@
     "zod": {
       "optional": true
     }
+  },
+  "typesVersions": {
+    "*": {
+      "*": ["*", "*.cjs.d.ts"]
+    }
   }
 }