fix(es/minifier): Set param type to unknown #26503

Job	Run time
List crates to benchmark	25s
Build benchmark for swc	26m 20s
Build benchmark for swc_allocator	1m 45s
Build benchmark for swc_common	1m 10s
Build benchmark for swc_css_parser	3m 49s
Build benchmark for swc_ecma_codegen	4m 5s
Build benchmark for swc_ecma_lints	2m 55s
Build benchmark for swc_ecma_minifier	4m 38s
Build benchmark for swc_ecma_parser	4m 32s
Build benchmark for swc_ecma_preset_env	5m 22s
Build benchmark for swc_ecma_transforms_base	4m 38s
Build benchmark for swc_ecma_transforms_typescript	4m 41s
Build benchmark for swc_estree_compat	4m 39s
Build benchmark for swc_fast_ts_strip	3m 16s
Build benchmark for swc_html_minifier	5m 30s
Build benchmark for swc_html_parser	3m 48s
Run benchmarks	30m 26s
	1h 51m 59s

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