Enable Rust's `unused-macro-rules` lint #25642

Job	Run time
Clang format	12s
Determine CI jobs to run	12s
Rustfmt	24s
Check JS	7s
Clippy	5m 10s
Check wasmtime	4m 2s
Monolith Checks	2m 56s
Check wasmtime-cli	3m 29s
no_std checks	44s
Check cranelift-codegen	59s
Check wasmtime-bench-api	1m 12s
Check wasmtime-c-api	1m 12s
Cargo vet	0s
Doc build	0s
Cargo deny	0s
Check Windows ARM64	0s
Tests on i686-unknown-linux-gnu	50s
Test C-API ${{ matrix.os }}	0s
Test wasmtime-fuzzing	0s
Tests on armv7-unknown-linux-gnueabihf	1m 1s
Nightly tests	0s
Test wasi-nn (${{ matrix.feature }}, ${{ matrix.os }})	0s
Build wasi-preview1-component-adapter	0s
Build wasmtime-target-wasm32	0s
Test DWARF debugging	0s
Test the min-platform example	0s
Run benchmarks	0s
Meta deterministic check	0s
Miri	0s
verify-publish	0s
Release build for ${{ matrix.build }}	0s
Cargo vet failed on a Pull Request	0s
Build wasi-preview1-component-adapter-provider	0s
Record the result of testing and building steps	1s
push-tag	0s
	22m 31s

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