chore(main): release 3.1.0

[dannyhammer]

🤖 I have created a release beep boop

3.1.0 (2025-01-09)

Features

• added Move Overhead UCI option. (207f3c9)
• added Move Overhead UCI option. (6fb5cbc)
• fully using PesTO's evaluation function, including tapered piece values, game phasing, etc. (01142d5)
• tracking several stats when debug mode enabled (4a7a30e)

Bug Fixes

• fixed another overflow case (35c9bb9)
• fixed not setting TT move if probe returned a cutoff, but we're not in a PV node (a84ea4c)
• fixed overflow bugs with aspiration windows... i hope (6e73331)
• fixed overflow in eval_for (0e54ef3)
• re-added sanity check for if the search is cancelled. removing it might be causing crashes at low tc again? (55da525)

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