Upgrade all of rails to version 7.0.0

[depfu]

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Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ activerecord (>= 3.2.3, < 5.2.0 → >= 3.2.3, <= 7.0.0) · Repo · Changelog

Release Notes

7.0.0 (from changelog)

• Better handle SQL queries with invalid encoding.

  Post.create(name: "broken \xC8 UTF-8")

  Would cause all adapters to fail in a non controlled way in the code responsible to detect write queries.

  The query is now properly passed to the database connection, which might or might not be able to handle it, but will either succeed or failed in a more correct way.

  Jean Boussier

• Move database and shard selection config options to a generator.

  Rather than generating the config options in production.rb when applications are created, applications can now run a generator to create an initializer and uncomment / update options as needed. All multi-db configuration can be implemented in this initializer.

  Eileen M. Uchitelle

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

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[depfu]

Closed in favor of #52.