Bump marshmallow from 2.20.5 to 3.13.0

[dependabot-preview]

Bumps marshmallow from 2.20.5 to 3.13.0.

Changelog

Sourced from marshmallow's changelog.

3.13.0 (2021-07-21)

Features:

• Replace missing/default field parameters with load_default/dump_default (1742). Thanks sirosen for the PR.

Deprecations:

• The use of missing/default field parameters is deprecated and will be removed in marshmallow 4. load_default/dump_default should be used instead.

3.12.2 (2021-07-06)

Bug fixes:

• Don't expose Fields as Schema attributes. This reverts a change introduced in 3.12.0 that causes issues when field names conflict with Schema attributes or methods. Fieldss are still accessible on a Schema instance throught the fields attribute. (1843)

3.12.1 (2021-05-10)

Bug fixes:

• Fix bug that raised an AttributeError when instantiating a Schema with a field named parent (1808). Thanks flying-sheep for reporting and helping with the fix.

3.12.0 (2021-05-09)

Features:

• Add validate.And (1768). Thanks rugleb for the suggestion.
• Add type annotations to marshmallow.decorators (1788, 1789). Thanks michaeldimchuk for the PR.
• Let Fields be accessed by name as Schema attributes (1631).

Other changes:

• Improve types in marshmallow.validate (1786).
• Make marshmallow.validate.Validator an abstract base class (1786).
• Remove unnecessary list cast (1785).

3.11.1 (2021-03-29)

Bug fixes:

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

3.11.0 (2021-03-28)

... (truncated)

Commits

• 63a34a1 Bump version and update changelog
• 2b3a14c Merge pull request #1742 from sirosen/better-default-param-names
• fc1f21e Bump sphinx from 4.0.3 to 4.1.1 (#1848)
• ceec727 Bump version and update changelog
• af9c3d5 Merge pull request #1843 from marshmallow-code/revert_expose_fields_as_attr
• 99c0431 Don't expose Schema fields by name as class/instance attributes
• 38b1ddd Bump sphinx from 4.0.2 to 4.0.3
• e0c1c30 Bump autodocsumm from 0.2.4 to 0.2.6
• a337496 Bump mypy from 0.902 to 0.910
• 7f7e131 Bump mypy from 0.901 to 0.902
• Additional commits viewable in compare view

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