Speed up schema compilation by orders of magnitude

[jviotti]

Signed-off-by: Juan Cruz Viotti [email protected]

[augmentcode]

🤖 Augment PR Summary

Summary: This PR upgrades the vendored sourcemeta/blaze (and sourcemeta/core) to newer upstream commits.

Changes:

• Reworked Blaze compilation to build a set of precompiled jump targets (instead of emitting a single flat instruction stream plus label/mark instructions).
• Added a compiler post-processing pass (postprocess.h) to inline small jump targets and apply additional FastValidation-specific structural optimizations.
• Updated the evaluator to execute schema.targets[0] as the entrypoint, and to resolve ControlJump and ControlDynamicAnchorJump against the new targets/labels layout.
• Changed template JSON serialization/deserialization to include targets and a labels table, adjusting CLI test expectations accordingly.
• Removed legacy JSON Pointer mangle support from the vendored Core library.

Technical Notes: Dynamic-anchor lookup now uses a precomputed (label → target index) mapping, and several compilation-time knobs were simplified/renamed (e.g., target inlining threshold).

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[augmentcode]

Review completed. 2 suggestions posted.

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