ledger: fix typo in evalbench_test.go

[eltociear]

Summary

transations -> transactions

[codecov]

Codecov Report

Merging #4450 (d1c4f33) into master (1196dd0) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4450      +/-   ##
==========================================
- Coverage   55.23%   55.21%   -0.03%     
==========================================
  Files         398      398              
  Lines       50165    50165              
==========================================
- Hits        27709    27698      -11     
- Misses      20149    20153       +4     
- Partials     2307     2314       +7     

Impacted Files	Coverage Δ
util/db/dbutil.go	44.24% <0.00%> (-4.25%)	⬇️
agreement/cryptoVerifier.go	67.60% <0.00%> (-2.12%)	⬇️
agreement/proposalManager.go	96.07% <0.00%> (-1.97%)	⬇️
ledger/tracker.go	73.93% <0.00%> (-1.71%)	⬇️
network/wsPeer.go	67.67% <0.00%> (-0.55%)	⬇️
ledger/acctonline.go	78.36% <0.00%> (-0.53%)	⬇️
ledger/accountdb.go	72.58% <0.00%> (-0.16%)	⬇️
catchup/service.go	68.88% <0.00%> (ø)
network/wsNetwork.go	64.82% <0.00%> (+0.19%)	⬆️
ledger/acctupdates.go	69.89% <0.00%> (+0.59%)	⬆️
... and 2 more

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