refactor(traverse): move `generate_binding` to `TraverseScoping` #20812

Job	Run time
Benchmark (lexer)	1m 24s
Benchmark (parser)	1m 39s
Benchmark (transformer)	2m 10s
Benchmark (isolated_declarations)	2m 59s
Benchmark (semantic)	2m 8s
Benchmark (minifier)	2m 9s
Build Linter Benchmark	10s
Benchmark (codegen)	1m 55s
Benchmark (sourcemap)	1m 50s
Benchmark linter	0s
Upload benchmarks	0s
	16m 24s

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