Fix openapi bundling.

This should fix the OpenAPI documents not being published properly as well.

package.json

@@ -4,7 +4,7 @@
   "description": "Verifiable Credential API",
   "main": "index.js",
   "scripts": {
-    "build": "openapi bundle *.yml --output ./api/bundles/ && openapi join ./api/bundles/*.yml --prefix-tags-with-filename && mv ./openapi.yaml ./api/vc-api.yaml",
+    "build": "openapi bundle *.yml --output ./api/bundles/ && openapi join ./api/bundles/*.yml --prefix-tags-with-filename && mv ./openapi.yml ./api/vc-api.yaml",
     "serve": "http-server ./api --cors",
     "serveIndex": "http-server . --cors",
     "lint": "openapi lint *.yml --extends recommended",