Fixed export_redis_metrics argument passing

[filipecosta90]

Fixes #267

[codecov-commenter]

Codecov Report

Merging #268 (1012754) into master (4659c10) will increase coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #268      +/-   ##
==========================================
+ Coverage   54.43%   54.51%   +0.07%     
==========================================
  Files          53       53              
  Lines        3889     3889              
==========================================
+ Hits         2117     2120       +3     
+ Misses       1772     1769       -3     

Impacted Files	Coverage Δ
redisbench_admin/run_remote/run_remote.py	21.51% <ø> (ø)
redisbench_admin/run/git.py	96.42% <0.00%> (ø)
redisbench_admin/utils/remote.py	68.56% <0.00%> (+0.81%)	⬆️

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