Revert "build(deps): bump curve25519-dalek from 4.1.3 to 4.2.0 (#6914)"

[apfitzge]

Problem

• Downgrade to curve25519-dalek v4.1.3 #7079 manually downgraded dalek instead of doing git revert
• this left in an upgrade to cpufeatures from 0.2.7 to 0.2.17

Summary of Changes

• revert Downgrade to curve25519-dalek v4.1.3 #7079 (the manual revert)
• revert build(deps): bump curve25519-dalek from 4.1.3 to 4.2.0 #6914

Fixes #

[apfitzge]

master:
test bench_arc_mutex_poh_batched_hash            ... bench:   1,499,001.10 ns/iter (+/- 4,711.12)

PR:
test bench_arc_mutex_poh_batched_hash            ... bench:   1,389,605.20 ns/iter (+/- 4,989.74)

around a 8% performance improvement by doing proper revert. this seems to be consistent with the degredation observed in the validator.

[apfitzge]

can split this into 2 prs as well so each of the previously merged PRs has a clean revert commit.
@steviez and/or @t-nelson wdyt is the better way?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.2%. Comparing base (86d14f6) to head (7763955).
⚠️ Report is 2754 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7144   +/-   ##
=======================================
  Coverage    83.2%    83.2%           
=======================================
  Files         853      853           
  Lines      373926   373926           
=======================================
+ Hits       311358   311394   +36     
+ Misses      62568    62532   -36     

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[steviez]

can split this into 2 prs as well so each of the previously merged PRs has a clean revert commit. @steviez and/or @t-nelson wdyt is the better way?

Thanks for tracking this down. I'm leaning towards separate PR's for the reason you stated; marginally more work but will hopefully avoid further confusion + will help pump your GH commit numbers