chore: update futures-util

[nagisa]

The previous version has been yanked and is therefore failing the audit check.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.62%. Comparing base (0aa1343) to head (f5f7fc6).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #12193      +/-   ##
==========================================
+ Coverage   71.60%   71.62%   +0.01%     
==========================================
  Files         824      824              
  Lines      165513   165513              
  Branches   165513   165513              
==========================================
+ Hits       118516   118545      +29     
+ Misses      41875    41847      -28     
+ Partials     5122     5121       -1     

Flag	Coverage Δ
backward-compatibility	0.17% <ø> (ø)
db-migration	0.17% <ø> (ø)
genesis-check	1.25% <ø> (ø)
integration-tests	38.75% <ø> (+0.03%)	⬆️
linux	71.39% <ø> (+<0.01%)	⬆️
linux-nightly	71.18% <ø> (-0.01%)	⬇️
macos	54.20% <ø> (+0.09%)	⬆️
pytests	1.57% <ø> (ø)
sanity-checks	1.38% <ø> (ø)
unittests	65.35% <ø> (+<0.01%)	⬆️
upgradability	0.21% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[wacban]

thanks!