Deprecate schPinSpacing in favor of schPinStyle

[seveibar]

Motivation

• schPinSpacing is being deprecated in favor of the richer schPinStyle configuration to steer users toward the preferred API for schematic pin layout.

Description

• Added a JSDoc deprecation note @deprecated Use schPinStyle instead. to schPinSpacing on PinHeaderProps (lib/components/pin-header.ts), JumperProps (lib/components/jumper.ts), and BaseGroupProps (lib/components/group.ts).
• Regenerated documentation and type artifacts by running the repository generation scripts which updated README.md and generated/PROPS_OVERVIEW.md to surface the deprecation.
• This change is purely a documentation annotation and does not alter runtime validation or types beyond the added comments.

Testing

• Ran the generation scripts bun scripts/generate-component-types.ts, bun scripts/generate-manual-edits-docs.ts, bun scripts/generate-readme-docs.ts, and bun scripts/generate-props-overview.ts, and they completed successfully.
• Executed unit tests bun test tests/chip1-basic.test.ts, bun test tests/chip2-schematic-port-arrangement.test.ts, bun test tests/pin-header.test.ts, and bun test tests/group.test.ts, and all tests passed.
• Performed typecheck bunx tsc --noEmit and formatting bun run format, both of which succeeded.

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Codex Task

[tscircuitbot]

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