OptimizationBase-v5.6.1

OptimizationBase OptimizationBase-v5.6.1

Diff since OptimizationBase-v5.6.0

• Release Optimization 5.9.1 (#1356)
• Cap Enzyme Lagrangian Hessian batches at eight on every Julia version (#1328)

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🤖 Posted by an AI agent — harness: Claude Code, model: claude-opus-5[1m]. Chris asked for this release.

https://claude.ai/code/session_014FEzNTLFutCmTEAZ3zBg5R

Merged pull requests:

• Cap Enzyme Lagrangian Hessian batches at eight on every Julia version (#1328) (@ChrisRackauckas-Claude)
• Release Optimization 5.9.1 (#1356) (@ChrisRackauckas)
• Release OptimizationBase 5.6.1 (#1357) (@ChrisRackauckas)