Bump ecto from 3.3.4 to 3.4.4

[dependabot-preview]

Bumps ecto from 3.3.4 to 3.4.4.

Changelog

Sourced from ecto's changelog.

v3.4.4 (2020-05-11)

Enhancements

• [Ecto.Schema] Add join_where support to many_to_many

v3.4.3 (2020-04-27)

Enhancements

• [Ecto.Query] Support as/1 and parent_as/1 for lazy named bindings and to allow parent references from subqueries
• [Ecto.Query] Support x in subquery(query)

Bug fixes

• [Ecto.Query] Do not raise for missing assocs if :force is given to preload
• [Ecto.Repo] Return error from Repo.delete on invalid changeset from prepare_changeset

v3.4.2 (2020-04-10)

Enhancements

• [Ecto.Changeset] Support multiple fields in unique_constraint/3

v3.4.1 (2020-04-08)

Enhancements

• [Ecto] Add Ecto.embedded_load/3 and Ecto.embedded_dump/2
• [Ecto.Query] Improve error message on invalid JSON expressions
• [Ecto.Repo] Emit [:ecto, :repo, :init] telemetry event upon Repo init

Bug fixes

• [Ecto.Query] Do not support JSON selectors on type/2

Deprecations

• [Ecto.Repo] Deprecate conflict_target: {:constraint, _}. It is a discouraged approach and {:unsafe_fragment, _} is still available if someone definitely needs it

v3.4.0 (2020-03-24)

v3.4 requires Elixir v1.7+.

Enhancements

• [Ecto.Query] Allow dynamic queries in CTE and improve error message
• [Ecto.Query] Add Ecto.Query.API.json_extract_path/2 and JSON path support to query syntax. For example, posts.metadata["tags"][0]["name"] will return the name of the first tag stored in the :map metadata field
• [Ecto.Repo] Add new default_options/1 callback to repository
• [Ecto.Repo] Support passing :telemetry_options to repository operations

... (truncated)

Commits

• a1f28ae Release v3.4.4
• ceb7755 Trivial typofix in the doc (#3296)
• 391ef36 Add join_where support to many_to_many
• cec779f Fix table names of the join tables in polymorphic assoc guide (#3294)
• 1bb17e5 Add example of getting only the association as a map (#3293)
• 5614c30 Update Constraints and Upserts.md (#3292)
• ec0c2df Update schema.ex (#3291)
• f83c5c5 Add notes that Ecto 3.4 requires Elixir 1.7 (#3290)
• 96f1d6b Release v3.4.3
• 57c7465 Release v3.4.3
• Additional commits viewable in compare view

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[coveralls]

Coverage remained the same at 100.0% when pulling 9aea9f6 on dependabot/hex/ecto-3.4.4 into d3902ad on master.

[dependabot-preview]

Superseded by #134.