fix(minifier): minify string `PropertyKey` #25348

Job	Run time
Build Linter Benchmark	2m 46s
Benchmark (lexer)	1m 26s
Benchmark (parser)	1m 39s
Benchmark (transformer)	2m 2s
Benchmark (isolated_declarations)	2m 2s
Benchmark (semantic)	1m 38s
Benchmark (minifier)	2m 18s
Benchmark (codegen)	1m 59s
Benchmark linter (0)	3m 19s
Benchmark linter (1)	1m 41s
Upload benchmarks	24s
	21m 14s

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