Bump actionpack from 7.0.8.4 to 7.0.8.7 in /backend

[dependabot[bot]]

Bumps actionpack from 7.0.8.4 to 7.0.8.7.

Release notes

Sourced from actionpack's releases.

7.0.8.7

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• Add validation to content security policies to disallow spaces and semicolons. Developers should use multiple arguments, and different directive methods instead.

  [CVE-2024-54133]

  Gannon McGibbon

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

... (truncated)

Commits

• 778eab8 Preparing for 7.0.8.7 release
• cb16a3b Add CSP directive validation
• bc979c5 Preparing for 7.0.8.6 release
• f61f4ef Preparing for 7.0.8.5 release
• d666c96 Update CHANGELOGs
• 30abd6b Merge pull request #52962 from rails/rm-releser
• b1241f4 Avoid backtracking in filtered_query_string
• 56b2fc3 Avoid backtracking in Token#raw_params
• 40d8b92 Merge pull request #51510 from fatkodima/remove-ostruct
• 6da6af8 Merge pull request #52176 from zzak/7-0-selenium-webdriver
• Additional commits viewable in compare view

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