chore: Rename scheduler_tezt.go to scheduler_debug.go

[erezrokah]

Summary

Had a typo while renaming the original file from _fuzz.go to _test.go. Made it _debug.go to avoid confusion with test files

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[github-actions]

⏱️ Benchmark results

Comparing with 382f980

• Glob-8 ns/op: 91.58 ⬇️ 0.27% decrease vs. 382f980

[disq]

I thought tezt was a funky way of separating it from test files.

[erezrokah]

I thought tezt was a funky way of separating it from test files.

Like clazz instead of class :)