Update dependency rack to v3.1.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rack (changelog)	'3.0.11' -> '3.1.0'

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Release Notes

rack/rack (rack)

v3.1.0

SPEC Changes

• rack.input is now optional. (#​1997, [@​ioquatix])
• PATH_INFO is now validated according to the HTTP/1.1 specification. (#​2117, [@​ioquatix])
• rack.protocol is an optional environment key and response header for handling connection upgrades.

Added

• Introduce module Rack::BadRequest which is included in multipart and query parser errors. (#​2019, [@​ioquatix])
• Add .mjs MIME type (#​2057, [@​axilleas])
• set_cookie_header utility now supports the partitioned cookie attribute. This is required by Chrome in some embedded contexts. (#​2131, [@​flavio-b])
• rack.early_hints is now officially supported as an optional feature (already implemented by Unicorn, Puma, and Falcon). (#​1831, [@​casperisfine, @​jeremyevans])

Changed

• rack.input is now optional, and if missing, will raise an error. Use this to fail on multipart parsing a request without an input body. (#​2018, [@​ioquatix])
• MIME type for JavaScript files (.js) changed from application/javascript to text/javascript (1bd0f15)
• Update MIME types associated to .ttf, .woff, .woff2 and .otf extensions to use mondern font/* types. (#​2065, [@​davidstosik])
• Rack::Utils.escape_html is now delegated to CGI.escapeHTML. ' is escaped to #​39; instead of #x27;. (decimal vs hexadecimal) (#​2099, @​JunichiIto)
• Only cookie keys that are not valid according to the HTTP specifications are escaped. We are planning to deprecate this behaviour, so now a deprecation message will be emitted in this case. In the future, invalid cookie keys may not be accepted. (#​2191, [@​ioquatix])

Removed

• Remove non-standard status codes 306, 509, & 510 and update descriptions for 413, 422, & 451. (#​2137, [@​wtn])
• Add fallback lookup and deprecation warning for obsolete status symbols. (#​2137, [@​wtn])
• Deprecate automatic cache invalidation in Request#{GET,POST} (#​2073 ([@​jeremyevans])
• Rack::Logger is deprecated. (#​2197, [@​ioquatix])

Fixed

• In Rack::Files, ignore the Range header if served file is 0 bytes. (#​2159, [@​zarqman])

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