Bump activesupport from 5.2.2 to 5.2.4.3

[dependabot[bot]]

Bumps activesupport from 5.2.2 to 5.2.4.3.

Release notes

Sourced from activesupport's releases.

5.2.4.2

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• Fix possible XSS vector in escape_javascript helper

  CVE-2020-5267

  Aaron Patterson

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

... (truncated)

Commits

• 7b5cc5a Preparing for 5.2.4.3 release
• 3c806b9 bumping version
• 9cb66f6 update changelog
• 467e339 activesupport: Deprecate Marshal.load on raw cache read in RedisCacheStore
• f7e077f activesupport: Avoid Marshal.load on raw cache value in MemCacheStore
• 4dcc543 update version
• ac30e38 Preparing for 5.2.4.1 release
• 8bec77c Preparing for 5.2.4 release
• 9e2a341 Preparing for 5.2.4.rc1 release
• fbcb47b dup instead of @+ since we still support Ruby 2.2
• Additional commits viewable in compare view

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