chore(deps): update dependency multidict to v6.7.1

[red-hat-konflux]

This PR contains the following updates:

Package	Change	Age	Confidence
multidict	==6.4.4 -> ==6.7.1

---

Release Notes

aio-libs/multidict (multidict)

v6.7.1

Compare Source

=====

(2026-01-25)

Bug fixes

• Fixed slow memory leak caused by identity by adding Py_DECREF to identity value before leaving md_pop_one on success
  -- by :user:Vizonex.

  Related issues and pull requests on GitHub:
  :issue:1284.

---

v6.7.0

Compare Source

=====

(2025-10-05)

Contributor-facing changes

• Updated tests and added CI for CPython 3.14 -- by :user:kumaraditya303.

  Related issues and pull requests on GitHub:
  :issue:1235.

---

v6.6.4

Compare Source

=====

(2025-08-11)

Bug fixes

• Fixed MutliDict & CIMultiDict memory leak when deleting values or clearing them
  -- by :user:Vizonex

  Related issues and pull requests on GitHub:
  :issue:1233.

Contributor-facing changes

• The type preciseness coverage report generated by MyPy <https://mypy-lang.org>__ is now uploaded to Coveralls <https://coveralls.io/github/aio-libs/multidict>__ and
  will not be included in the Codecov views <https://app.codecov.io/gh/aio-libs/multidict>__ going forward
  -- by :user:webknjaz.

  Related issues and pull requests on GitHub:
  :issue:1122, :issue:1231.

• Added memory leak test for popping or deleting attributes from a multidict to prevent future issues or bogus claims.
  -- by :user:Vizonex

  Related issues and pull requests on GitHub:
  :issue:1233.

---

v6.6.3

Compare Source

=====

(2025-06-30)

Bug fixes

• Fixed inconsistencies generated by the C implementation of _md_shrink() which might later lead to assertion failures and crash -- by :user:Romain-Geissler-1A.

  Related issues and pull requests on GitHub:
  :issue:1229.

---

v6.6.2

Compare Source

=====

(2025-06-28)

Bug fixes

• Fixed a memory corruption issue in the C implementation of _md_shrink() that could lead to segmentation faults and data loss when items were deleted from a :class:~multidict.MultiDict. The issue was an edge case in the pointer arithmetic during the compaction phase -- by :user:bdraco.

  Related issues and pull requests on GitHub:
  :issue:1221, :issue:1222.

• Fixed format string compilation errors in debug builds on 32-bit platforms by using portable %zd format specifiers for Py_ssize_t values instead of %ld -- by :user:bdraco.

  Related issues and pull requests on GitHub:
  :issue:1225, :issue:1226.

Packaging updates and notes for downstreams

• Re-enabled 32-bit Linux wheel builds that were disabled by default in cibuildwheel 3.0.0 -- by :user:bdraco.

  Related issues and pull requests on GitHub:
  :issue:1225, :issue:1227.

---

v6.6.1

Compare Source

=====

(2025-06-28)

Bug fixes

• If :meth:multidict.MultiDict.extend, :meth:multidict.MultiDict.merge, or :meth:multidict.MultiDict.update raises an exception, now the multidict internal state is correctly restored.
  Patch by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1215.

Contributor-facing changes

• Fixed setuptools deprecation warning about the license specification -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1216.

• Fix compiler warnings and convert them to errors -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1217.

---

v6.6.0

Compare Source

=====

(2025-06-27)

Features

• Added :meth:multidict.MultiDict.merge which copies all items from arguments if its key
  not exist in the dictionary -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:292.

• Stopped reallocating memory for the internal htkeys_t structure when inserting new items if the
  multidict has deleted items and it could be collapsed in-place. Removal of
  malloc()/free() improves the performance slightly.

  The change affects C implementation only, pure Python code is not changed.

  Patch by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1200.

• C implementation of :class:multidict.MultiDict.getall now is slightly faster if it returns nothing -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1212.

Improved documentation

• Replaced docstring for :meth:multidict.MultiDict.update to don't use RST/markdown markup.

  Related issues and pull requests on GitHub:
  :issue:1203.

• Improved documentation for :meth:multidict.MultiDict.extend and :meth:multidict.MultiDict.update -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1205.

Contributor-facing changes

• When building wheels, the source distribution is now passed directly
  to the cibuildwheel invocation -- by :user:webknjaz.

  Related issues and pull requests on GitHub:
  :issue:1199.

• Set up PYTHONHASHSEED for benchmarks execution to make measured times stable -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1202.

---

v6.5.1

Compare Source

=====

(2025-06-24)

Bug fixes

• Fixed a bug in C implementation when multidict is resized and it has deleted slots.

  The bug was introduced by multidict 6.5.0 release.

  Patch by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1195.

Contributor-facing changes

• A pair of code formatters for Python and C have been configured in the pre-commit tool.

  Related issues and pull requests on GitHub:
  :issue:1123.

• Shorted fixture parametrization ids.

  For example, test_keys_view_xor[case-insensitive-pure-python-module] becomes test_keys_view_xor[ci-py] -- by :user:asvetlov.

  Related issues and pull requests on GitHub:
  :issue:1192.

• The :file:reusable-cibuildwheel.yml workflow has been refactored to
  be more generic and :file:ci-cd.yml now holds all the configuration
  toggles -- by :user:webknjaz.

  Related issues and pull requests on GitHub:
  :issue:1193.

---

v6.5.0

Compare Source

=====

(2025-06-17)

.. note::

The release was yanked because of :issue:1195, multidict 6.5.1 should be used
instead.

Features

• Replace internal implementation from an array of items to hash table.
  algorithmic complexity for lookups is switched from O(N) to O(1).

  The hash table is very similar to :class:dict from CPython but it allows keys duplication.

  The benchmark shows 25-50% boost for single lookups, x2-x3 for bulk updates, and x20 for
  some multidict view operations. The gain is not for free:
  :class:~multidict.MultiDict.add and :class:~multidict.MultiDict.extend are 25-50%
  slower now. We consider it as acceptable because the lookup is much more common
  operation that addition for the library domain.

  Related issues and pull requests on GitHub:
  :issue:1128.

Contributor-facing changes

• Builds have been added for arm64 Windows
  wheels and the reusable-build-wheel.yml
  template has been modified to allow for
  an os value (windows-11-arm) which
  does not end with the -latest postfix.

  Related issues and pull requests on GitHub:
  :issue:1167.

---

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