Edward Thomson 1c6d51142d docs: add update_refs as ABI breaking change ...

In v1.9, we failed to document that `update_refs` was a breaking change.
Add information about this change to the ABI breaking changes section.

2025-01-07 20:29:44 +00:00

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api-stability.md

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buffers.md

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changelog.md

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checkout-internals.md

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code_of_conduct.md

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coding-style.md

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contributing.md

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conventions.md

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diff-internals.md

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differences-from-git.md

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error-handling.md

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fuzzing.md

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merge-df_conflicts.txt

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projects.md

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release.md

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threading.md

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troubleshooting.md

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win32-longpaths.md

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