fix(build): reverted bun.lock to lockfile format v1 for CI's bun 1.3
- The 17.2.1 bump was regenerated under local bun 1.4.0, which wrote lockfileVersion 2; the CI-pinned bun 1.3.x fails parsing it with UnknownLockfileVersion before any job step runs. - Resolutions unchanged (490 installs across 637 packages, no changes); verified with bun@1.3.14 install --frozen-lockfile.
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