Fix RLE counts

[klemen1999]

Allow RLE counts to be NonNegativeInt intead of strictly PositiveInt because COCO-2017 has also 0s in some of the
annotations.

[github-actions]

Test Results

  1 files    1 suites   16m 53s ⏱️
 97 tests  97 ✅ 0 💤 0 ❌
109 runs  109 ✅ 0 💤 0 ❌

Results for commit 0547076.

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
3561	2954	83%	0%	🟢

New Files

File	Coverage	Status
luxonis_ml/utils/rich_utils.py	100%	🟢
TOTAL	100%	🟢

Modified Files

File	Coverage	Status
luxonis_ml/data/init.py	79%	🟢
luxonis_ml/data/datasets/init.py	100%	🟢
luxonis_ml/data/datasets/annotation.py	91%	🟢
luxonis_ml/data/datasets/luxonis_dataset.py	86%	🟢
luxonis_ml/data/datasets/source.py	89%	🟢
luxonis_ml/data/loaders/init.py	100%	🟢
luxonis_ml/data/loaders/base_loader.py	88%	🟢
luxonis_ml/data/loaders/luxonis_loader.py	92%	🟢
luxonis_ml/data/parsers/base_parser.py	92%	🟢
luxonis_ml/data/parsers/coco_parser.py	91%	🟢
luxonis_ml/data/parsers/luxonis_parser.py	96%	🟢
luxonis_ml/data/parsers/segmentation_mask_directory_parser.py	98%	🟢
luxonis_ml/data/parsers/solo_parser.py	78%	🟢
luxonis_ml/nn_archive/config_building_blocks/base_models/input.py	93%	🟢
luxonis_ml/nn_archive/config_building_blocks/base_models/output.py	86%	🟢
luxonis_ml/utils/init.py	100%	🟢
luxonis_ml/utils/environ.py	97%	🟢
luxonis_ml/utils/filesystem.py	75%	🟢
TOTAL	91%	🟢

updated for commit: 0547076 by action🐍