Bump rack from 2.2.3 to 2.2.4

[dependabot[bot]]

Bumps rack from 2.2.3 to 2.2.4.

Changelog

Sourced from rack's changelog.

[2.2.4] - 2022-06-30

• Better support for lower case headers in Rack::ETag middleware. (#1919, @​ioquatix)
• Use custom exception on params too deep error. (#1838, @​simi)

[2.2.3.1] - 2022-05-27

• [CVE-2022-30123] Fix shell escaping issue in Common Logger
• [CVE-2022-30122] Restrict parsing of broken MIME attachments

Commits

• abca7d5 fixup changelog
• 0ae9ff2 bump version
• 0077900 Better handling of case-insensitive headers for Rack::Etag middleware. (#1919)
• d62c290 Add 'custom exception on params too deep error' change to CHANGELOG. (#1914)
• e7c5b94 Expect additional optional version segment in version test. (#1913)
• f705eac Merge branch '2-2-sec' into 2-2-stable
• 925a4a6 update changelog
• 70c0a24 bump version
• 434413f Escape untrusted text when logging
• a872bcc Restrict broken mime parsing
• Additional commits viewable in compare view

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