Bump wasmtime from 14.0.4 to 15.0.0 in /rust

[dependabot[bot]]

Bumps wasmtime from 14.0.4 to 15.0.0.

Release notes

Sourced from wasmtime's releases.

v15.0.0

15.0.0

Released 2023-11-20.

Added

• Multiple versions of interfaces are now supported in bindgen!. #7172

• UDP has been implemented in wasi:sockets. #7148 #7243

• Support for custom stack memory allocation has been added. #7209

• The memory_init_cow setting can now be configured in the C API. #7227

• The splice method of WASI streams has been implemented. #7234

• Wasmtime binary releases now have a wasmtime-min executable in addition to libwasmtime-min.* libraries for the C API. These showcase a minimal build of Wasmtime for comparison. #7282 #7315 #7350

Changed

• Many changes to wasi:http WITs have happened to keep up with the proposal as it prepares to reach a more stable status. #7161 #7406 #7383 #7417 #7451

• Add an error resource to WASI streams. #7152

• Syntax in bindgen!'s trappable_error_type configuration has changed. #7170

• TCP errors in wasi:sockets have been simplified and clarified. #7120

... (truncated)

Commits

• 6f0da84 Release Wasmtime 15.0.0 (#7557)
• 128a74a Ensure that scheme and authority are populated in the incoming handler (#7545...
• de1f24e Backport additional wasi-http changes to the 15.x release branch (#7540)
• bb8eec8 [15.0.0] Backport more WIT-modifying PRs (#7537)
• 5d89b87 [15.0.0] Backport WIT-changing PRs (#7529)
• aff8d97 wasi-filesystem: delete access modes (#7510) (#7518)
• 4c54105 wasi-sockets: Add & refine socket options. (SO_ACCEPTCONN, TCP_KEEPIDLE/INTVL...
• 29ae291 [15.0.0] A few more backports (#7498)
• 85ff52c [15.0.0] Backports of recent PRs (#7493)
• f31fa8e Remove TCP no-delay (#7484) (#7486)
• Additional commits viewable in compare view

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