feat: flux query profiler

[rhajek]

Proposed Changes

This PR adds support for Flux Query profiler - https://docs.influxdata.com/influxdb/v2.0/reference/flux/stdlib/profiler/

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• pytest tests completes successfully
• Commit messages are in semantic format
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #260 (2089f71) into master (30b75c9) will increase coverage by 0.49%.
The diff coverage is 98.80%.

@@            Coverage Diff             @@
##           master     #260      +/-   ##
==========================================
+ Coverage   91.91%   92.41%   +0.49%     
==========================================
  Files          25       25              
  Lines        2042     2109      +67     
==========================================
+ Hits         1877     1949      +72     
+ Misses        165      160       -5     

Impacted Files	Coverage Δ
influxdb_client/client/influxdb_client.py	98.08% <90.90%> (-0.57%)	⬇️
influxdb_client/client/flux_csv_parser.py	97.48% <100.00%> (+1.16%)	⬆️
influxdb_client/client/query_api.py	99.09% <100.00%> (+1.37%)	⬆️
influxdb_client/client/flux_table.py	97.77% <0.00%> (+8.88%)	⬆️

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