Update SpatialSeries to have bounds field

[mavaylon1]

Motivation

What was the reasoning behind this change? Please explain the changes briefly.

Add test to SpatialSeries for bounds to make sure everything passes.

How to test the behavior?

Show how to reproduce the new behavior (can be a bug fix or a new feature)

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running flake8 from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.02%. Comparing base (78ebc86) to head (e80273b).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #1869   +/-   ##
=======================================
  Coverage   92.01%   92.02%           
=======================================
  Files          27       27           
  Lines        2619     2620    +1     
  Branches      685      685           
=======================================
+ Hits         2410     2411    +1     
  Misses        139      139           
  Partials       70       70           

Flag	Coverage Δ
integration	73.24% <100.00%> (+0.43%)	⬆️
unit	83.93% <100.00%> (+<0.01%)	⬆️

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[mavaylon1]

Review Notes:

We talked about the idea of validating data according to the bounds (if provided); however, we decided to not validate due to performance. As result, the only test added is to ensure the bounds field is mapped correctly to the spec.

[rly]

Sorry for the late review of this @mavaylon1 . Could you add a roundtrip test with the new field?

[mavaylon1]

Sorry for the late review of this @mavaylon1 . Could you add a roundtrip test with the new field?

Done. Sorry for the delay.