chore(ci): increase e2e-sink-test timeout

[kwannoel]

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Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
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[codecov]

Codecov Report

Merging #12132 (ffad8ee) into main (3c19064) will not change coverage.
Report is 1 commits behind head on main.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main   #12132   +/-   ##
=======================================
  Coverage   69.75%   69.75%           
=======================================
  Files        1404     1404           
  Lines      235043   235043           
=======================================
  Hits       163963   163963           
  Misses      71080    71080           

Flag	Coverage Δ
rust	69.75% <ø> (ø)

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[kwannoel]

Done here #12248