Chore: cleanup workflows SDK (#9244)

Fixes: FRMW-2712

packages/core/workflows-sdk/package.json

@@ -3,29 +3,37 @@
   "version": "0.1.6",
   "description": "Set of workflows tooling for Medusa",
   "main": "dist/index.js",
-  "types": "dist/index.d.ts",
+  "exports": {
+    ".": "./dist/index.js",
+    "./composer": "./dist/utils/composer/index.js"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/medusajs/medusa",
     "directory": "packages/workflows"
   },
   "engines": {
-    "node": ">=16"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
   },
   "files": [
-    "dist"
+    "dist",
+    "!dist/**/__tests__",
+    "!dist/**/__mocks__",
+    "!dist/**/__fixtures__"
   ],
   "author": "Medusa",
   "license": "MIT",
   "devDependencies": {
     "@medusajs/types": "^1.11.16",
+    "@swc/jest": "^0.2.36",
     "cross-env": "^5.2.1",
     "jest": "^29.7.0",
     "rimraf": "^5.0.1",
-    "typescript": "^5.1.6"
+    "ts-jest": "^29.2.5",
+    "typescript": "^5.6.2"
   },
   "dependencies": {
     "@medusajs/modules-sdk": "^1.12.11",