chore(deps): update rust crate hyper to v1.12.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
hyper (source)	workspace.dependencies	minor	1.11.1 → 1.12.0

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Release Notes

hyperium/hyper (hyper)

v1.12.0

Compare Source

Bug Fixes

• http1:
  • withdraw a stale want when the client dispatcher takes a request (#​4208) (c44f1cc5)
  • remove content-length if transfer-encoding is auto-added (#​4224) (69396fdd)
  • always remove content-length if transfer-encoding is sent (#​4223) (a5d7fd78)
  • let a Connection close token win over a later keep-alive (#​4201) (5dadff76)
  • preserve hop-by-hop when setting close or keep-alive (#​4196) (74a39081)
• http2: do not reserve capacity for idle Upgraded streams (#​4198) (e89d0d93)

Features

• http1: add max_header_size limit for server and client (#​4183) (d1cd14ef, closes #​3832)

v1.11.1 (2026-08-27)

Bug Fixes

• http1:
  • detect TE: trailers caselessly and with other values (#​4152) (72fcf545)
  • recognize \n\r\n as a head terminator in the partial-read fast path (#​4147) (3534d75c, closes #​4145)
  • flush bytes buffered by the write re-check before yielding (#​4143) (f660f5bf)
  • evict pooled conn on request-side Connection: close (#​4110) (da19be08)

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