Release 0.31.1

Refs simonw#1521

Spelling for Datasette Agent

Release 0.32a2

Refs simonw#1432, simonw#1433, simonw#1435, simonw#1441, simonw#1442

Release 0.32a1

Refs simonw#1426

Refs simonw/llm-anthropic#68

Release 0.32a0

Closes simonw#1314, simonw#506, simonw#1278, simonw#894, simonw#813, simonw#468, simonw#346, simonw#716, simonw#770, simonw#867, simonw#938, simonw#1033, simonw#937

Refs simonw#1067, simonw#1080

Release 0.31

Refs simonw#1418

Add Usage to llm/__init__ __all__ (to fix Ruff)

Changelog for 0.29

Note about just cog in release process

See 8002325

Release 0.27.1

Refs simonw#1237, simonw#1238, simonw#1239. simonw#1240