refactor(allocator)!: remove `Vec::into_string` (#8571) #26716

Job	Run time
Benchmark (lexer)	1m 20s
Build Linter Benchmark	2m 40s
Benchmark (parser)	1m 39s
Benchmark (transformer)	3m 22s
Benchmark (isolated_declarations)	2m 1s
Benchmark (semantic)	1m 43s
Benchmark (minifier)	2m 16s
Benchmark (codegen)	2m 13s
Benchmark linter (0)	3m 10s
Benchmark linter (1)	1m 40s
Upload benchmarks	28s
	22m 32s

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