Update dependency rack to v3.2.2

[renovate]

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This notice will be removed on 2025-10-07.

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This PR contains the following updates:

Package	Change	Age	Confidence
rack (changelog)	'3.2.1' -> '3.2.2'

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Release Notes

rack/rack (rack)

v3.2.2

Compare Source

Security

• CVE-2025-61772 Multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion)
• CVE-2025-61771 Multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion)
• CVE-2025-61770 Unbounded multipart preamble buffering enables DoS (memory exhaustion)

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