Release/9.8.3

[thewhaleking]

9.8.3 /2025-07-18

• improve make file by @basfroman in improve make file #2965
• Move all workflows from app.circleci.com to GH actions by @basfroman in Move all workflows from app.circleci.com to GH actions #2970
• Improve changelog workflow by @basfroman in Improve changelog workflow #2973
• Add SECURITY.md by @basfroman in Add SECURITY.md #2976
• Improve test infrastructure by @basfroman in Improve test infrastructure #2974
• Add labels checker by @basfroman in Add labels checker #2977
• Use specified block/hash in metagraph, get_subnet, get_all_subnets by @thewhaleking in AsyncSubtensor.get_metagraph_info use specified block/hash #2979

Full Changelog: v9.8.2...v9.8.3

[github-actions]

Bittensor SDK virtual environment sizes by Python version:

Python 3.9: 172 MB
Python 3.10: 162 MB
Python 3.11: 177 MB
Python 3.12: 171 MB
Python 3.13: 171 MB

[github-actions]

Bittensor SDK virtual environment sizes by Python version:

Python 3.9: 172 MB
Python 3.10: 162 MB
Python 3.11: 177 MB
Python 3.12: 171 MB
Python 3.13: 171 MB

[github-actions]

Bittensor SDK virtual environment sizes by Python version:

Python 3.9: 172 MB
Python 3.10: 162 MB
Python 3.11: 177 MB
Python 3.12: 171 MB
Python 3.13: 171 MB