perf(lexer): align `Token` on 8 #26703

Job	Run time
Benchmark (lexer)	2m 26s
Benchmark (parser)	1m 29s
Benchmark (transformer)	3m 4s
Benchmark (isolated_declarations)	1m 57s
Benchmark (semantic)	1m 30s
Benchmark (minifier)	2m 15s
Benchmark (codegen)	2m 12s
Build Linter Benchmark	2m 44s
Benchmark linter (0)	3m 27s
Benchmark linter (1)	2m 48s
Upload benchmarks	14s
	24m 6s

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