fix(types): correct TypeCast's Next callback to return unknown #1776

Job	Run time
Node.js 18.x - DB mysql:8.0.33 - SSL=0 Compression=0	1m 17s
Node.js 18.x - DB mysql:8.0.33 - SSL=1 Compression=0	1m 17s
Node.js 18.x - DB mysql:8.0.33 - SSL=0 Compression=1	1m 13s
Bun latest - DB mysql:8.0.33 - SSL=0 Compression=0	50s
Node.js 18.x - DB mysql:8.0.33 - SSL=1 Compression=1	1m 12s
Deno v1.x - DB mysql:8.0.33 - SSL=0 Compression=0	3m 1s
Node.js 20.x - DB mysql:8.0.33 - SSL=0 Compression=0	1m 42s
Bun latest - DB mysql:8.0.33 - SSL=1 Compression=0	30s
Deno v1.x - DB mysql:8.0.33 - SSL=0 Compression=1	2m 58s
Bun latest - DB mysql:8.0.33 - SSL=0 Compression=1	21s
Node.js 20.x - DB mysql:8.0.33 - SSL=1 Compression=0	1m 11s
Bun latest - DB mysql:8.0.33 - SSL=1 Compression=1	24s
Node.js 20.x - DB mysql:8.0.33 - SSL=0 Compression=1	1m 21s
Node.js 20.x - DB mysql:8.0.33 - SSL=1 Compression=1	1m 18s
Bun canary - DB mysql:8.0.33 - SSL=0 Compression=0	29s
Node.js 22.x - DB mysql:8.0.33 - SSL=0 Compression=0	1m 16s
Bun canary - DB mysql:8.0.33 - SSL=1 Compression=0	26s
Node.js 22.x - DB mysql:8.0.33 - SSL=1 Compression=0	1m 12s
Bun canary - DB mysql:8.0.33 - SSL=0 Compression=1	21s
Bun canary - DB mysql:8.0.33 - SSL=1 Compression=1	23s
Node.js 22.x - DB mysql:8.0.33 - SSL=0 Compression=1	1m 8s
Node.js 22.x - DB mysql:8.0.33 - SSL=1 Compression=1	1m 12s
Node.js 23.x - DB mysql:8.0.33 - SSL=0 Compression=0	1m 14s
Node.js 23.x - DB mysql:8.0.33 - SSL=1 Compression=0	1m 13s
Node.js 23.x - DB mysql:8.0.33 - SSL=0 Compression=1	1m 20s
Node.js 23.x - DB mysql:8.0.33 - SSL=1 Compression=1	1m 12s
	30m 1s

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