Bump marshmallow from 2.18.1 to 3.0.5

[dependabot-preview]

Bumps marshmallow from 2.18.1 to 3.0.5.

Changelog

Sourced from marshmallow's changelog.

3.0.5 (2019-09-12)

Bug fixes:

• Fix bug that raised an uncaught error when passing both a schema instance and only to Nested (1395). This bug also affected passing a schema instance to fields.Pluck.

3.0.4 (2019-09-11)

Bug fixes:

• Fix propagating dot-delimited only and exclude parameters to nested schema instances (1384).
• Includes bug fix from 2.20.4 (1160).

3.0.3 (2019-09-04)

Bug fixes:

• Handle when data_key is an empty string (1378). Thanks jtrakk for reporting.

3.0.2 (2019-09-04)

Bug fixes:

• Includes bug fix from 2.20.3 (1376).
• Fix incorrect super() call in SchemaMeta.__init__ (1362).

3.0.1 (2019-08-21)

Bug fixes:

• Fix bug when nesting fields.DateTime within fields.List or fields.Tuple (1357). This bug was introduced in 3.0.0rc9. Thanks zblz for reporting.

3.0.0 (2019-08-18)

Features:

• Optimize List(Nested(...)) (779).
• Minor performance improvements and cleanup (1328).
• Add Schema.from_dict (1312).

Deprecations/Removals:

• Field.fail is deprecated. Use Field.make_error instead.
• Remove UUID validation from fields.UUID, for consistency with other fields (1132).

... (truncated)

Commits

• 750e1c8 Bump version and update changelog
• 8e4e746 Fix behavior when passing nested instance and only (#1395)
• ad370f0 Bump version and update changelog
• d104a5c Fix propagating only and exclude to nested field instances (#1385)
• 8b3a326 Merge branch '2.x-line' into dev
• ca1cc3c Bump version and update changelog
• 9c0f7a8 Respect many when set on a Nested instance (#1392)
• fd98c45 Add strict parameter to docstring (#1390)
• 4290d0f Merge branch '2.x-line' into dev
• 280a28e Fix changelog headings
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #87.