Update activesupport requirement from >= 5.2, < 6.2.0 to >= 5.2, < 7.1.0

[dependabot[bot]]

Updates the requirements on activesupport to permit the latest version.

Release notes

Sourced from activesupport's releases.

6.1.4.4

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• Fix issue with host protection not allowing host with port in development.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

... (truncated)

Commits

• 87d4d0f Preparing for 6.1.4.4 release
• ac2e12a Preparing for 6.1.4.3 release
• 72af19a bumping version for release
• 90357af Preparing for 6.1.4.1 release
• e63dcc1 Bump version / update changelog
• 8321702 Preparing for 6.1.4 release
• e71539c Update CHANGELOG
• 6ae28e1 Add changelog for #42559
• e60f3ff MemCacheStore: always convert underlying values into an Entry
• 17a4a0c Add CHANGELOG entry for #42316 and #42341
• Additional commits viewable in compare view

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[erwanlr]

@dependabot rebase

[erwanlr]

@dependabot-bot rebase

[erwanlr]

@dependabot recreate

[erwanlr]

@dependabot recreate

[dependabot[bot]]

Superseded by #149.