Bump ecto from 3.7.2 to 3.8.0

[dependabot[bot]]

Bumps ecto from 3.7.2 to 3.8.0.

Changelog

Sourced from ecto's changelog.

v3.8.0 (2022-04-26)

Ecto v3.8 requires Elixir v1.10+.

Enhancements

• [Ecto] Add new Embedded chapter to Introductory guides
• [Ecto.Changeset] Detect empty_values inside lists when casting
• [Ecto.Changeset] Allow custom :error_key in unique_constraint
• [Ecto.Changeset] Add :match option to all constraint functions
• [Ecto.Query] Support dynamic aliases
• [Ecto.Query] Allow using type/2 with virtual fields
• [Ecto.Query] Suggest alternatives to inexistent fields in queries
• [Ecto.Query] Support passing queries using subqueries to insert_all
• [Ecto.Repo] Allow stacktrace: true so stacktraces are included in telemetry events and logs
• [Ecto.Schema] Validate options given to schema fields

Bug fixes

• [Ecto.Changeset] Address regression on validate_subset no longer working with custom array types
• [Ecto.Query] Handle atom list sigils in select
• [Ecto.Query] Improve tracking of select_merge inside subqueries
• [Ecto.Repo] Properly handle literals in queries given to insert_all
• [Ecto.Repo] Don't surface persisted data as changes on embed updates
• [Ecto.Schema] Preserve parent prefix on join tables

Commits

• 4fa2c26 Release v3.8.0
• 2712b7a Release v3.8.0
• 0d82133 fix put_query_prefix docs (#3880)
• fce030c Don't mutate metadata unnecessarily on join table inserts (#3879)
• 55cae98 Preserve parent prefix on join tables (#3878)
• 4e16e79 Update Polymorphic associations with many to many.md (#3877)
• edd4483 Update Testing with Ecto.md (#3875)
• 4590354 Raise on atom literals in subqueries (#3874)
• 5d1e9fc Ecto.assoc doc typo (#3873)
• 9617705 Fix Ecto.assoc prefix behaviour (#3872)
• Additional commits viewable in compare view

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