fix: mapping Number types to POJO query output

[bednar]

Closes #410

Proposed Changes

Fixed mapping aggregated results (changed type) from InfluxDB.

Checklist

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

[michaelahojna]

@bednar thanks for your PR, please add also mapping for short and float types.

[codecov-commenter]

Codecov Report

Base: 88.22% // Head: 88.32% // Increases project coverage by +0.10% 🎉

Coverage data is based on head (9712c87) compared to base (c664c23).
Patch coverage: 77.77% of modified lines in pull request are covered.

❗ Current head 9712c87 differs from pull request most recent head d2eb05e. Consider uploading reports for the commit d2eb05e to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #414      +/-   ##
============================================
+ Coverage     88.22%   88.32%   +0.10%     
+ Complexity      777      775       -2     
============================================
  Files           172      172              
  Lines          6987     6987              
  Branches        375      375              
============================================
+ Hits           6164     6171       +7     
+ Misses          712      703       -9     
- Partials        111      113       +2     

Impacted Files	Coverage Δ
.../com/influxdb/query/internal/FluxResultMapper.java	73.86% <77.77%> (+7.95%)	⬆️

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