build(deps): bump msgpack from 1.2.1 to 1.2.2

[dependabot]

Bumps msgpack from 1.2.1 to 1.2.2.

Release notes

Sourced from msgpack's releases.

v1.2.2

What's Changed

• fix docstring for read_size by @​methane in msgpack/msgpack-python#700
• unpacker: fix silent datetime truncation with datetime=3 by @​methane in msgpack/msgpack-python#701
• run test with debug build by @​methane in msgpack/msgpack-python#702
• fix: add reentrant guard to Unpacker.feed() by @​methane in msgpack/msgpack-python#704
• Bump actions/checkout from 6.0.3 to 7.0.0 in the all-dependencies group by @​dependabot[bot] in msgpack/msgpack-python#705
• Improve error handling and reporting in unpacking functions by @​methane in msgpack/msgpack-python#707
• test_unpack.py: add tests for ExtraData by @​methane in msgpack/msgpack-python#708
• Bump the all-dependencies group with 2 updates by @​dependabot[bot] in msgpack/msgpack-python#709
• Fix Timestamp.from_datetime() precision for far-future datetimes by @​gaoflow in msgpack/msgpack-python#710
• Fix typos in test and docs by @​maxtaran2010 in msgpack/msgpack-python#712
• Bump the all-dependencies group across 1 directory with 5 updates by @​dependabot[bot] in msgpack/msgpack-python#719
• fix: use-after-free in unpackb() ExtraData path for non-contiguous input by @​ThomasWaldmann in msgpack/msgpack-python#722
• Bump pypa/gh-action-pypi-publish from 1.14.1 to 1.14.2 in the all-dependencies group by @​dependabot[bot] in msgpack/msgpack-python#721
• Bump pypa/cibuildwheel from 4.1.1 to 4.2.0 in the all-dependencies group by @​dependabot[bot] in msgpack/msgpack-python#724
• Convert Packer's buf_size once by @​hdimer in msgpack/msgpack-python#726
• fix: translate RecursionError to StackError in fallback Unpacker.skip() by @​hdimer in msgpack/msgpack-python#727
• Validate nanoseconds range when unpacking timestamps in the C extension by @​chuenchen309 in msgpack/msgpack-python#716
• Avoid parallel execution of the recursion-limit nesting test on free-threaded builds by @​methane with @​Copilot in msgpack/msgpack-python#729
• Raise OverflowError when use_single_float cannot represent a value by @​dylanpulver in msgpack/msgpack-python#728
• release v1.2.2 by @​methane in msgpack/msgpack-python#730

New Contributors

• @​gaoflow made their first contribution in msgpack/msgpack-python#710
• @​maxtaran2010 made their first contribution in msgpack/msgpack-python#712
• @​hdimer made their first contribution in msgpack/msgpack-python#726
• @​chuenchen309 made their first contribution in msgpack/msgpack-python#716
• @​dylanpulver made their first contribution in msgpack/msgpack-python#728

Full Changelog: msgpack/msgpack-python@v1.2.1...v1.2.2

Changelog

Sourced from msgpack's changelog.

1.2.2

Release Date: 2026-08-27

• Fix the read_size documentation. #700
• Fix silent truncation when unpacking an out-of-range timestamp with timestamp=3. #701
• Prevent reentrant calls to Unpacker.feed() while unpacking. #704
• Improve error handling and reporting in unpacking functions. #707
• Fix Timestamp.from_datetime() precision for far-future datetimes. #710
• Fix typos in the documentation. #712
• Validate the nanoseconds range when unpacking timestamps in the C extension. #716
• Fix a use-after-free in the unpackb() ExtraData path for non-contiguous input. #722
• Prevent a buffer overflow when converting Packer's buf_size. #726
• Translate RecursionError to StackError in the fallback Unpacker.skip(). #727
• Raise OverflowError when use_single_float=True cannot represent a value. #728

Commits

• 7381b31 release
• ee1bd3c release v1.2.2 (#730)
• 57d28a2 Raise OverflowError when use_single_float cannot represent a value (#728)
• d374a17 Avoid parallel execution of the recursion-limit nesting test on free-threaded...
• e94e1dc Validate nanoseconds range when unpacking timestamps in the C extension (#716)
• 2e4be09 fix: translate RecursionError to StackError in fallback Unpacker.skip() (#727)
• 9f9bdae Convert Packer's buf_size once (#726)
• 809bfcd remove unused variable
• 186d4db Bump pypa/cibuildwheel from 4.1.1 to 4.2.0(#724)
• ea6b84f Bump pypa/gh-action-pypi-publish from 1.14.1 to 1.14.2 in the all-dependencie...
• Additional commits viewable in compare view

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[sumitake]

Superseded by a combined pin+validator PR so msgpack bumps are not blocked by a hardcoded 1.2.1 audit.

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