Update consolidation/output-formatters from 3.2.1 to 3.4.0

[violinist-bot]

If you have a decent test suite, and your tests pass, it should be both safe and smart to merge this update.

Here is a list of changes between the version you use, and the version this pull request updates to:

• a942680 v3.4.0
• 14bfa5d Fixes Update symfony/console from v3.4.26 to v3.4.28 #59: UnstructuredInterface (Update symfony/finder from v3.4.28 to v3.4.31 #72)
• 8f4a569 v3.3.2
• 4988506 Add a 'null' format that produces no output. (Update symfony/console from v3.4.28 to v3.4.31 #71)
• 853d2d4 Improve example for --fields for unstructured data.
• 1b8b783 Changelog for 3.3.0
• 799811c Add ability to select columns from unstructured data (Update symfony/yaml from v3.4.28 to v3.4.30 #69)

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