build(deps): update wasmtime requirement from 44 to 47

[dependabot]

Updates the requirements on wasmtime to permit the latest version.

Release notes

Sourced from wasmtime's releases.

v47.0.1

47.0.1

Released 2026-07-20.

Fixed

• Fixed publication of wasmtime-cli to crates.io. #13902

Changelog

Sourced from wasmtime's changelog.

47.0.1

Released 2026-07-20.

Fixed

• Fixed publication of wasmtime-cli to crates.io. #13902

---

47.0.0

Released 2026-07-20.

Added

• Wasmtime now has the WebAssembly GC proposal enabled by default. #13594

• Wasmtime now has the WebAssembly exception-handling proposal enabled by default. #13603

• Cranelift now supports the compact unwind format on Mach-O platforms. #13586

• Wasmtime now supports bounds-checked unsafe intrinsics which take spectre mitigations into account. #13597

• The wasmtime::Engine type now supports reflection to determine the value of most Config options that were selected during creation. #13671

• Support for fibers on unsupported architectures is now supported through an opt-in compile time Cargo feature defining a C API embedders can implement. #13620

• Embedders can now create an ArrayRef with a memcpy-style constructor. #13716

• A new Accessor::poll_ready_for_concurrent_call API can be used to detect when backpressure indicates that a function is ready to be invoked. #13683

Changed

• Support for wasi-threads and Wasmtime's wasi-common crate have been removed. For more information see the [associated RFC][rfc] in Wasmtime.

... (truncated)

Commits

• 3efe09e Release Wasmtime 47.0.1 (#13907)
• c4171d3 [47.0.x] Exclude large directories from publishing (#13906)
• 39d6716 Release Wasmtime 47.0.0 (#13898)
• 692ef64 [47.0.0] A few more minor backports (#13864)
• 1352ed0 [47.0.0] Some GC/fix-related backports (#13861)
• f97a110 Add release notes (#13831)
• d106f4b Release 47.0.0 alias region backports (#13826)
• 11350e9 Tag debug guest state slot stores with alias regions (#13805)
• 4d52eac Reduce some complexity in wasi-http p3 paths (#13807)
• dc7f6d5 Parameterize compile-time builtins benchmarks on concurrency support (#13803)
• Additional commits viewable in compare view