Bump marshmallow from 2.18.0 to 3.10.0

Bumps marshmallow from 2.18.0 to 3.10.0.

Changelog

Sourced from marshmallow's changelog.

3.10.0 (2020-12-19)

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Deprecations:

• Passing field metadata via keyword arguments is deprecated and will be removed in marshmallow 4 (:issue:1350). Use the explicit metadata=... argument instead. Thanks :user:sirosen.

3.9.1 (2020-11-07)

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Bug fixes:

• Cast to mapping type in Mapping.serialize and Mapping.deserialize (🇵🇷1685).
• Fix bug letting Dict pass invalid dict on deserialization when no key or value Field is specified (🇵🇷1685).

3.9.0 (2020-10-31)

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Features:

• Add format argument to fields.Time and timeformat class Meta option (:issue:686). Thanks :user:BennyAlex for the suggestion and thanks :user:infinityxxx for the PR.

Other changes:

• Remove usage of implicit typing.Optional (:issue:1663). Thanks :user:nadega for the PR.

3.8.0 (2020-09-16)

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Features:

• Add fields.IP, fields.IPv4 and fields.IPv6 (🇵🇷1485). Thanks :user:mgetka for the PR.

Bug fixes:

• Fix typing in AwareDateTime (🇵🇷1658). Thanks :user:adithyabsk for reporting.

3.7.1 (2020-07-20)

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Bug fixes:

... (truncated)

Commits

• dde1234 Bump version and update changelog
• 013abfd Deprecate metadata as additional field kwargs, support explicit `metadata=......
• 2993bf0 Fix pprint output in "ordering" quickstart docs (#1706)
• e14be5c Upgrade autodocsumm to fix #1703 (#1704)
• 0bb7de3 Add validators to hook order doc (#1701)
• fa6c737 Bump flake8-bugbear from 20.1.4 to 20.11.1
• 79a3882 Bump sphinx from 3.3.0 to 3.3.1
• d438729 Bump version and update changelog
• ad93940 Merge pull request #1685 from marshmallow-code/dict_cast_mapping_type
• aa27968 Update CHANGELOG
• Additional commits viewable in compare view