Bump webargs from 5.5.3 to 8.4.0

Bumps webargs from 5.5.3 to 8.4.0.

Changelog

8.4.0 (2024-01-07)

Features:

Add a new class attribute, empty_value to DelimitedList and DelimitedTuple, with a default of "". This controls the value deserialized when an empty string is seen.

empty_value can be used to handle types other than strings more gracefully, e.g.

.. code-block:: python
from webargs import fields
class IntList(fields.DelimitedList):
empty_value = 0
myfield = IntList(fields.Int())
.. note::
``empty_value`` will be changing in webargs v9.0 to be ``missing`` by
default. This will allow use of fields with ``load_default`` to specify
handling of the empty value.
The rule for default argument names has been made configurable by overriding the get_default_arg_name method. This is described in the argument passing documentation.

Other changes:

Drop support for Python 3.7, which is EOL.

Type annotations for FlaskParser have been improved.

8.3.0 (2023-07-10)

Features:

webargs.Parser now inherits from typing.Generic and is parametrizable over the type of the request object. Various framework-specific parsers are parametrized over their relevant request object classes.

webargs.Parser and its subclasses now support passing arguments as a single keyword argument without expanding the parsed data into its components. For more details, see advanced docs on Argument Passing and arg_name.

... (truncated)

Commits

920eb94 Bump version, update changelog, and update LICENSE
d80faff Fix name of GHA workflow
32a4cd4 Fix typing of handle_error
83ad0a8 Docs updates re: dropping 3.7
3a954d3 Update .pre-commit-config.yaml
9923f3a Update GHA and tox config for consistency with other marshmallow repos
e9316db Bump flake8 from 6.1.0 to 7.0.0
3ad15a0 Merge pull request #905 from marshmallow-code/dependabot/github_actions/actio...
2480108 Bump actions/setup-python from 4 to 5
ea1d9d6 [pre-commit.ci] pre-commit autoupdate (#898)
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Bump webargs from 5.5.3 to 8.4.0 #505