bump solana-stake-interface from 2.0.0 to 2.0.1

[vadorovsky]

Problem

StakeHistory::get in solana-stake-interface was performing a binary search for every requested epoch, which was a visible performance bottleneck.

Summary of Changes

solana-program/stake#81 fixed that by subtracting the indices. The fix was released in 2.0.1.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.1%. Comparing base (19421ef) to head (d4f88da).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##           master    #7919     +/-   ##
=========================================
- Coverage    83.1%    83.1%   -0.1%     
=========================================
  Files         810      810             
  Lines      357419   357416      -3     
=========================================
- Hits       297211   297120     -91     
- Misses      60208    60296     +88     

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[mergify]

Backports to the beta branch are to be avoided unless absolutely necessary for fixing bugs, security issues, and perf regressions. Changes intended for backport should be structured such that a minimum effective diff can be committed separately from any refactoring, plumbing, cleanup, etc that are not strictly necessary to achieve the goal. Any of the latter should go only into master and ride the normal stabilization schedule. Exceptions include CI/metrics changes, CLI improvements and documentation updates on a case by case basis.