Update yarl to 1.6.3

[pyup-bot]

This PR updates yarl from 1.5.1 to 1.6.3.

Changelog

1.6.3

==================

Bugfixes
--------

- No longer loose characters when decoding incorrect percent-sequences (like ``%e2%82%f8``). All non-decodable percent-sequences are now preserved.
`517 <https://github.com/aio-libs/yarl/issues/517>`_
- Provide x86 Windows wheels.
`535 <https://github.com/aio-libs/yarl/issues/535>`_


----

1.6.2

==================


Bugfixes
--------

- Provide generated ``.c`` files in TarBall distribution.
`530  <https://github.com/aio-libs/multidict/issues/530>`_

1.6.1

==================

Features
--------

- Provide wheels for ``aarch64``, ``i686``, ``ppc64le``, ``s390x`` architectures on
Linux as well as ``x86_64``.
`507  <https://github.com/aio-libs/yarl/issues/507>`_
- Provide wheels for Python 3.9.
`526 <https://github.com/aio-libs/yarl/issues/526>`_

Bugfixes
--------

- ``human_repr()`` now always produces valid representation equivalent to the original URL (if the original URL is valid).
`511 <https://github.com/aio-libs/yarl/issues/511>`_
- Fixed  requoting a single percent followed by a percent-encoded character in the Cython implementation.
`514 <https://github.com/aio-libs/yarl/issues/514>`_
- Fix ValueError when decoding ``%`` which is not followed by two hexadecimal digits.
`516 <https://github.com/aio-libs/yarl/issues/516>`_
- Fix decoding ``%`` followed by a space and hexadecimal digit.
`520 <https://github.com/aio-libs/yarl/issues/520>`_
- Fix annotation of ``with_query()``/``update_query()`` methods for ``key=[val1, val2]`` case.
`528 <https://github.com/aio-libs/yarl/issues/528>`_

Removal
-------

- Drop Python 3.5 support; Python 3.6 is the minimal supported Python version.


----

1.6.0

==================

Features
--------

- Allow for int and float subclasses in query, while still denying bool.
`492 <https://github.com/aio-libs/yarl/issues/492>`_


Bugfixes
--------

- Do not requote arguments in ``URL.build()``, ``with_xxx()`` and in ``/`` operator.
`502 <https://github.com/aio-libs/yarl/issues/502>`_
- Keep IPv6 brackets in ``origin()``.
`504 <https://github.com/aio-libs/yarl/issues/504>`_


----

Links

• PyPI: https://pypi.org/project/yarl
• Changelog: https://pyup.io/changelogs/yarl/
• Repo: https://github.com/aio-libs/yarl/

[Harmon758]

Superseded by 0901995