chore(ci): increase bench timeout to 6h

[moul]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.97%. Comparing base (628f965) to head (283b533).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2914   +/-   ##
=======================================
  Coverage   60.96%   60.97%           
=======================================
  Files         564      564           
  Lines       75273    75273           
=======================================
+ Hits        45893    45897    +4     
+ Misses      26009    26008    -1     
+ Partials     3371     3368    -3     

Flag	Coverage Δ
contribs/gnodev	61.46% <ø> (ø)
contribs/gnofaucet	15.31% <ø> (+0.85%)	⬆️
gno.land	67.92% <ø> (ø)
gnovm	65.78% <ø> (ø)
misc/genstd	80.54% <ø> (ø)
misc/logos	19.88% <ø> (ø)
tm2	62.12% <ø> (-0.02%)	⬇️

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