Updated blpapi usages to support versions up to 3.23.1

[myrmarachne]

No description provided.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (de122fc) 76.71% compared to head (e256cc6) 76.81%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #145      +/-   ##
==========================================
+ Coverage   76.71%   76.81%   +0.09%     
==========================================
  Files         227      227              
  Lines        9071     9071              
==========================================
+ Hits         6959     6968       +9     
+ Misses       2112     2103       -9     

Files	Coverage Δ
qf_lib/data_providers/bloomberg/helpers.py	27.58% <0.00%> (ø)

... and 1 file with indirect coverage changes

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