dependency: bump rails from 6.1.3 to 6.1.3.1

Bumps rails from 6.1.3 to 6.1.3.1.

Release notes

Sourced from rails's releases.

6.1.3.1

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

... (truncated)

Commits

• 85c6823 v6.1.3.1
• 853d594 Upgrade to Marcel 1.0.0
• 7c55e37 Replace mimemagic with mini_mime
• See full diff in compare view

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