chore: Bump Binaryen (wasm-opt) to version 121 #26883

Job	Run time
Paths filter	9s
Check dependencies	1m 29s
Test Rust stable / ubuntu-24.04	5m 0s
Test Rust stable / windows-latest	12m 26s
Lints with Rust stable	3m 57s
Lints with Rust beta	4m 6s
Lints with Rust nightly	3m 58s
Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}	0s
Test Rust stable / macos-14	4m 19s
Test Rust nightly / ubuntu-24.04	8m 37s
Test Rust beta / ubuntu-24.04	4m 49s
	48m 50s

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