fix(minifier): minify string `PropertyKey` #25349

Job	Run time
Build Linter Benchmark	3m 25s
Benchmark (lexer)	1m 48s
Benchmark (parser)	1m 58s
Benchmark (transformer)	2m 43s
Benchmark (isolated_declarations)	2m 49s
Benchmark (semantic)	2m 0s
Benchmark (minifier)	2m 32s
Benchmark (codegen)	2m 33s
Benchmark linter (0)	3m 2s
Benchmark linter (1)	1m 36s
Upload benchmarks	30s
	24m 56s

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