chore(deps): update dependency factory_bot_rails to v6.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
factory_bot_rails	6.2.0 -> 6.4.0

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Release Notes

thoughtbot/factory_bot_rails (factory_bot_rails)

v6.4.0: 6.4.0

Compare Source

v6.3.0: 6.3.0

Compare Source

• Changed: reject sequence definitions for ActiveRecord primary keys (Sean Doyle).
• Changed: factory_bot dependency to ~> 6.4 (Mike Burns).
• Changed: upgrade dependencies (Daniel Colson).
• Add: projections.json for Rails.vim (Caleb Hearth).
• Docs: fix broken link (Edu Depetris).
• Docs: mention Rails generator in docs (Edu Depetris).
• Docs: fix typo (Yudai Takada).
• Internal: skip Spring version 2.1.1 due to a bug in that release (Christina
  Entcheva, Daniel Colson).
• Internal: test against Rails 6.1 (Antonis Berkakis).
• Internal: test against Ruby 3 (Daniel Colson).
• Internal: fewer warnings in Cucumber tests (Daniel Colson).
• Internal: use GitHub Actions for CI (Mathieu Jobin).
• Internal: a whole bunch of cleanup (Daniel Colson).
• Internal: fix CI due to a Bundler output change (Mike Burns).

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