gh: Invalid request.

No subschema in "anyOf" matched.
For 'anyOf/0', {"labels[]" => "tf:plan"} is not an array.
For 'anyOf/1', {"labels[]" => "tf:plan"} is not an array.
"labels[]" is not a permitted key.
"labels" wasn't supplied. (HTTP 422)
{"message":"Invalid request.\n\nNo subschema in \"anyOf\" matched.\nFor 'anyOf/0', {\"labels[]\" => \"tf:plan\"} is not an array.\nFor 'anyOf/1', {\"labels[]\" => \"tf:plan\"} is not an array.\n\"labels[]\" is not a permitted key.\n\"labels\" wasn't supplied.","documentation_url":"https://docs.github.com/rest/issues/labels#add-labels-to-an-issue","status":"422"}

uses: op5dev/tf-via-pr@v13.1.5
with:
          working-directory: ${{ env.TERRAFORM_DIR }}
          arg-recursive: false
          arg-lock: false
          arg-get: true
          command: plan