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, which hold only unique keys, doesn't show complete data. This edge case is solved by using FluxRecord.row.

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• make 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: 74.67% // Head: 74.93% // Increases project coverage by +0.25% 🎉

Coverage data is based on head (bf89298) compared to base (8b21fdc).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #131      +/-   ##
============================================
+ Coverage     74.67%   74.93%   +0.25%     
- Complexity      421      424       +3     
============================================
  Files            25       25              
  Lines          1082     1093      +11     
============================================
+ Hits            808      819      +11     
  Misses          274      274              

Impacted Files	Coverage Δ
src/InfluxDB2/FluxCsvParser.php	100.00% <100.00%> (ø)
src/InfluxDB2/FluxRecord.php	64.70% <100.00%> (+1.06%)	⬆️

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[bednar]

LGTM 🌹