Use wasmtime v43.0.1

[thevar1able]

Changelog category (leave one):

• Build/Testing/Packaging Improvement

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Use wasmtime v43.0.1.

[clickhouse-gh]

Workflow [PR], commit [4616281]

Summary: ✅

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AI Review

Summary

This PR updates wasmtime to v43.0.1 by bumping contrib/wasmtime, contrib/rust_vendor, and regenerating rust/workspace/Cargo.lock. I reviewed the full diff and found no correctness, safety, concurrency, performance, or repository-bloat problems in the submitted changes. No duplicate or pre-existing clickhouse-gh[bot] inline findings were present for this PR.

ClickHouse Rules

Item	Status	Notes
Deletion logging	➖
Serialization versioning	➖
Core-area scrutiny	➖
No test removal	✅
Experimental gate	➖
No magic constants	✅
Backward compatibility	✅
SettingsChangesHistory.cpp	➖
PR metadata quality	✅
Safe rollout	✅
Compilation time	✅
No large/binary files	✅

Final Verdict

• Status: ✅ Approve