src/meta-openembedded:python3-multidict: upgrade 5.1.0 -> 5.2.0

-License-Update: Delete the description of the license and use the license address instead.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0

5.2.0 (2021-10-03)
=====================
Features
--------
- 1. Added support Python 3.10
  2. Started shipping platform-specific wheels with the ``musl`` tag targeting typical Alpine Linux runtimes.
  3. Started shipping platform-specific arm64 wheels for Apple Silicon. (`#629 <https://github.com/aio-libs/multidict/issues/629>`_)
Bugfixes
--------
- Fixed pure-python implementation that used to raise "Dictionary changed during iteration" error when iterated view (``.keys()``, ``.values()`` or ``.items()``) was created before the dictionary's content change. (`#620 <https://github.com/aio-libs/multidict/issues/620>`_)

Signed-off-by: Zang Ruochen <zangrc.fnst@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>