Bump marshmallow from 3.9.0 to 3.11.1

Bumps marshmallow from 3.9.0 to 3.11.1.

Changelog

Sourced from marshmallow's changelog.

3.11.1 (2021-03-29)

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Bug fixes:

• Fix treatment of dotted keys when unknown=INCLUDE (:issue:1506). Thanks :user:rbu for reporting and thanks :user:sirosen for the fix (🇵🇷1745).

3.11.0 (2021-03-28)

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Features:

• Add fields.IPInterface, fields.IPv4Interface, and IPv6Interface (:issue:1733). Thanks :user:madeinoz67 for the suggestion and the PR.
• Raise AttributeError for missing methods when using fields.Method (🇵🇷1675). Thanks :user:lassandroan.

Other changes:

• Remove unnecessary hasattr and getattr checks in Field (🇵🇷1770).

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).

Commits

• 94d5bf3 Bump version and update changelog
• 1214624 Fix treatment of dotted keys when unknown=INCLUDE (#1745)
• b297db9 Bump version and update changelog
• 9ac3241 Remove useless hasattr / gettatr checks in Field (#1770)
• fb63e33 Raise AttributeError when missing Schema methods (#1675)
• 4d70481 Revert "Bump sphinx from 3.4.3 to 3.5.3 (#1769)" (#1772)
• be94fd7 Bump sphinx from 3.4.3 to 3.5.3 (#1769)
• 4df24f2 Bump license year
• 2d4aa37 Bump flake8 from 3.8.4 to 3.9.0
• db56daa Bump flake8-bugbear from 21.3.1 to 21.3.2
• Additional commits viewable in compare view