Bump webargs from 5.5.3 to 6.1.0

[dependabot-preview]

Bumps webargs from 5.5.3 to 6.1.0.

Changelog

Sourced from webargs's changelog.

6.1.0 (2020-04-05)

Features:

• Add fields.DelimitedTuple when using marshmallow 3. This behaves as a combination of fields.DelimitedList and marshmallow.fields.Tuple. It takes an iterable of fields, plus a delimiter (defaults to ,), and parses delimiter-separated strings into tuples. (509)
• Add __str__ and __repr__ to MultiDictProxy to make it easier to work with (488)

Support:

• Various docs updates (482, 486, 489, 498, 508). Thanks lefterisjp, timgates42, and ugultopu for the PRs.

6.0.0 (2020-02-27)

Features:

• FalconParser: Pass request content length to req.stream.read to provide compatibility with falcon.testing (477). Thanks suola for the PR.
• Backwards-incompatible: Factorize the use_args / use_kwargs branch in all parsers. When as_kwargs is False, arguments are now consistently appended to the arguments list by the use_args decorator. Before this change, the PyramidParser would prepend the argument list on each call to use_args. Pyramid view functions must reverse the order of their arguments. (478)

6.0.0b8 (2020-02-16)

Refactoring:

• Backwards-incompatible: Use keyword-only arguments (472).

6.0.0b7 (2020-02-14)

Features:

• Backwards-incompatible: webargs will rewrite the error messages in ValidationErrors to be namespaced under the location which raised the error. The messages field on errors will therefore be one layer deeper with a single top-level key.

6.0.0b6 (2020-01-31)

Refactoring:

• Remove the cache attached to webargs parsers. Due to changes between webargs v5 and v6, the cache is no longer considered useful.

Other changes:

• Import Mapping from collections.abc in pyramidparser.py (471). Thanks tirkarthi for the PR.

6.0.0b5 (2020-01-30)

Refactoring:

... (truncated)

Commits

• 3dc331f Bump version and update changelog
• 96dc1a6 Merge pull request #509 from sirosen/add-delimited-tuple
• 2a63e91 Add DelimitedTuple field (ma3 only)
• 2c85a33 Remove all use of 2nd person from ugprade doc (#508)
• 68f8d83 Bump webtest from 2.0.34 to 2.0.35
• 402d369 Bump sphinx from 3.0.2 to 3.0.3
• 8efb685 Bump sphinx from 3.0.1 to 3.0.2
• b930017 Bump sphinx from 3.0.0 to 3.0.1
• 680c783 Merge pull request #487 from marshmallow-code/dependabot/pip/mypy-0.770
• 616fa2e Merge pull request #489 from sirosen/add-upgrading-doc
• Additional commits viewable in compare view

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Superseded by #563.