Build(deps): Bump rails from 5.2.3 to 6.0.4

[dependabot-preview]

Bumps rails from 5.2.3 to 6.0.4.

Release notes

Sourced from rails's releases.

6.0.4

Active Support

• Fixed issue in ActiveSupport::Cache::RedisCacheStore not passing options to read_multi causing fetch_multi to not work properly.

  Rajesh Sharma

• with_options copies its options hash again to avoid leaking mutations.

  Fixes #39343.

  Eugene Kenny

Active Model

• No changes.

Active Record

• Only warn about negative enums if a positive form that would cause conflicts exists.

  Fixes #39065.

  Alex Ghiculescu

• Allow the inverse of a has_one association that was previously autosaved to be loaded.

  Fixes #34255.

  Steven Weber

• Reset statement cache for association if table_name is changed.

  Fixes #36453.

  Ryuta Kamizono

• Type cast extra select for eager loading.

  Ryuta Kamizono

• Prevent collection associations from being autosaved multiple times.

... (truncated)

Commits

• 6e721d7 Preparing for 6.0.4 release
• 11a35e3 Update CHANGELOG
• b869a4e Merge pull request #42244 from hahmed/fix-invalid-statement-compile-error
• 7b5d0b9 Merge pull request #41528 from yahonda/pg_where_with_set
• 72a0eea Merge pull request #42308 from Shopify/fix-ruby-head-builds
• ef97441 Escape allow list hosts correctly
• 98a0a12 Merge branch '6-0-sec' into 6-0-stable
• c04aff6 Preparing for 6.0.3.7 release
• 59b4566 update changelog
• d861fa8 Prevent slow regex when parsing host authorization header
• Additional commits viewable in compare view

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