feat: add FluxRecord.row with response data stored in Array

[michaelahojna]

Proposed Changes

Adding possibility of accessing response data in Array FluxRecord.row.

In case of using pivot on data, where field contains labels that occur by default in the annotated CSV (f.e. "result" or "table"), could be duplicated column names in response. In that case FluxRecord.values (Hash), which can hold only unique keys, doesn't show complete data. This edge case is solved by using FluxRecord.row (Array).

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• rake test completes successfully
• Commit messages are conventional
• Sign CLA (if not already signed)

[bednar]

Thanks for your PR 👍
There are a few requirements that must be be satisfy before we accept the PR:

[codecov-commenter]

Codecov Report

Base: 51.07% // Head: 51.12% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (188aa1e) compared to base (d2e7c44).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #118      +/-   ##
==========================================
+ Coverage   51.07%   51.12%   +0.04%     
==========================================
  Files          65       65              
  Lines        6349     6355       +6     
==========================================
+ Hits         3243     3249       +6     
  Misses       3106     3106              

Impacted Files	Coverage Δ
lib/influxdb2/client/flux_csv_parser.rb	100.00% <100.00%> (ø)
lib/influxdb2/client/flux_table.rb	100.00% <100.00%> (ø)

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[bednar]

LGTM 🌹