fix: Update swagger and API to latest alpha version

[bednar]

• CHANGELOG.md updated
• Rebased/mergeable
• Tests pass
• Sign CLA (if not already signed)

[codecov-io]

Codecov Report

Merging #47 into master will decrease coverage by 0.24%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #47      +/-   ##
==========================================
- Coverage   87.93%   87.69%   -0.25%     
==========================================
  Files          22       22              
  Lines        1683     1650      -33     
==========================================
- Hits         1480     1447      -33     
  Misses        203      203

Impacted Files	Coverage Δ
influxdb_client/__init__.py	100% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 82ee030...ceba039. Read the comment docs.