Tsahi Asher

Results 2 issues of Tsahi Asher

Add default info dictionary to dataset so that when pycocotools copies the dataset to results it will not break This fixes #9092

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### 🐛 Describe the bug With [https://github.com/ppwwyyxx/cocoapi/pull/26](https://github.com/ppwwyyxx/cocoapi/pull/26) pycocotools is copying info dict to results, so it has to be created in coco_utils.py::convert_to_coco_api while creating the dataset ### Versions pycocotools==2.0.9