Bump wasmtime from 14.0.4 to 18.0.2 in /native/wasmex

[dependabot[bot]]

Bumps wasmtime from 14.0.4 to 18.0.2.

Release notes

Sourced from wasmtime's releases.

v18.0.2

18.0.2

Released 2024-02-28.

Fixed

• Fix an egraph rule bug that was permitting an incorrect ireduce rewrite to unary and binary operations, leading to miscompilations. #8005

v18.0.1

18.0.1

Released 2024-02-20.

Fixed

• Fixed a mistake in the CI release process that caused the crates.io publication of the 18.0.0 release to not succeed. #7966

v18.0.0

18.0.0

Released 2024-02-20.

Added

• The wasmtime-c-api-impl crate is now published on crates.io. #7837

• A new EngineWeak type enables holding a weak pointer to an engine with the ability to dynamically and fallibly upgrade it to an Engine. #7797

• The WebAssembly tail calls proposal can now be enabled through the C API. #7811

• The import and export types of a Component can now be inspected at runtime. #7804

• New APIs/types have been added to support a faster version of looking up module exports without using string lookups with Module::get_export_index.

... (truncated)

Commits

• 90db6e9 Release Wasmtime 18.0.2 (#8023)
• 81ea56a Run cargo vet regenerate audit-as-crates-io (#8017) (#8020)
• dfdd28e Backport #8005 to release-18.0.0 (#8008)
• 446862c Release Wasmtime 18.0.1 (#7967)
• 41d7287 Fix Cargo metadata on the wasmtime-c-api-macros crate (#7966)
• 518fd4a Release Wasmtime 18.0.0 (#7958)
• aee1e1d Backport to release-18: three WASI PRs (#7928)
• f3e15d5 Guard recursion in will_simplify_with_ireduce (#7882) (#7885)
• a94657a Cranelift: Use a fixpoint loop to compute the best value for each eclass (#78...
• 57444d2 Add wasmtime-c-api-impl to the list of crates to publish (#7837) (#7872)
• Additional commits viewable in compare view

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