feat(minifier): minify string `PropertyKey` (#8147) #25230

Job	Run time
Build Linter Benchmark	2m 48s
Benchmark (lexer)	1m 52s
Benchmark (parser)	1m 46s
Benchmark (transformer)	1m 59s
Benchmark (isolated_declarations)	2m 3s
Benchmark (semantic)	2m 0s
Benchmark (minifier)	2m 7s
Benchmark (codegen)	2m 7s
Benchmark linter (0)	3m 1s
Benchmark linter (1)	1m 45s
Upload benchmarks	16s
	21m 44s

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