Refactor core wasm host entrypoints #35379

Job	Run time
Check JS	17s
Determine CI jobs to run	17s
Rustfmt	32s
Monolith Checks	3m 2s
Clang format	17s
Clippy	6m 25s
Check wasmtime-fiber	33s
Check wasmtime	5m 40s
Check cranelift-entity	26s
Check cranelift-codegen	1m 10s
Check wasmtime-cli	6m 1s
Check wasmtime-wasi	1m 49s
Check wasmtime-wizer	2m 4s
Check wasmtime-bench-api	1m 30s
Check wasmtime-c-api	1m 21s
Check wasmtime-wasi-http	1m 2s
Test Linux x86_64 (3/6)	8m 28s
Test Linux x86_64 (1/6)	5m 35s
Test Linux x86_64 (2/6)	6m 41s
Test Linux x86_64 (wasmtime-cli)	11m 40s
Test Linux x86_64 (wasmtime)	2m 28s
Test C-API macOS	11m 27s
Test Linux x86_64 (wasmtime-wasi)	6m 31s
Test C-API Linux	10m 28s
Test C-API Linux (ASAN)	5m 13s
Test C-API Windows	14m 44s
Test C-API Linux (static linking)	5m 9s
Cargo deny	0s
Cargo vet failed on a Pull Request	0s
Test DWARF debugging	0s
Test wasmtime-fuzzing	0s
Cargo vet	0s
Platform: ${{ matrix.target }}	0s
verify-publish	0s
Test wasi-nn (${{ matrix.feature }}, ${{ matrix.os }})	0s
Release build for ${{ matrix.build }}	0s
Run benchmarks	0s
Miri	0s
Test the min-platform example	0s
Nightly tests	0s
Doc build	0s
Test wasi-tls using native-tls & openssl providers	0s
One-off special tests	0s
Meta deterministic check	0s
Build wasi-preview1-component-adapter-provider	0s
Build wasi-preview1-component-adapter	0s
Record the result of testing and building steps	3s
File an issue if this build failed and was cron-triggered	0s
push-tag	0s
	2h 0m 53s

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