add nullable option

Author: lewis-wow

apify-api/openapi/components/schemas/actors/UpdateActorRequest.yaml

@@ -51,6 +51,7 @@ properties:
       - nullable: true
       - $ref: ./DefaultRunOptions.yaml
   taggedBuilds:
+    type: object
     description: |
       Object containing the Actor's tagged builds, where the key is the tag name (e.g., `latest`) and the value is an object containing the build ID.
       The object you provide will completely overwrite all existing tagged builds for the Actor.
@@ -59,7 +60,7 @@ properties:
       - To remove a specific tag: Submit the object without that tag's key.
       - To remove all tags: Provide an empty object: `{}`.
       - If this field is omitted or `null`, the existing tags will not be changed.
-    type: object
+    nullable: true
     additionalProperties:
       type: object
       required: