Bring some of Wasmtime's documentation more up-to-date #18564

Job	Run time
Rustfmt	41s
Determine CI jobs to run	8s
Cargo deny	0s
Cargo vet	0s
Check Windows ARM64	0s
Doc build	0s
Check	0s
Fuzz Targets	0s
Test Linux x86_64	22m 31s
Build wasi-preview1-component-adapter	0s
Test wasi-nn module	0s
Run benchmarks	0s
Meta deterministic check	0s
Miri	0s
verify-publish	0s
Release build for ${{ matrix.build }}	0s
Record the result of testing and building steps	4s
push-tag	0s
	23m 24s

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