chore: api generator was moved to influxdb-clients-apigen

[rhajek]

Proposed Changes

Move swagger generator to separate module influxdb-clients-apigen

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• pytest tests completes successfully
• Commit messages are in semantic format
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #145 into master will decrease coverage by 0.99%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #145      +/-   ##
==========================================
- Coverage   89.14%   88.15%   -1.00%     
==========================================
  Files          25       25              
  Lines        1916     1899      -17     
==========================================
- Hits         1708     1674      -34     
- Misses        208      225      +17     

Impacted Files	Coverage Δ
influxdb_client/client/write_api.py	91.54% <0.00%> (-6.00%)	⬇️
influxdb_client/rest.py	76.69% <0.00%> (-3.76%)	⬇️
influxdb_client/configuration.py	83.13% <0.00%> (-1.14%)	⬇️
influxdb_client/api_client.py	67.30% <0.00%> (-0.37%)	⬇️
influxdb_client/client/flux_csv_parser.py	91.50% <0.00%> (-0.22%)	⬇️
influxdb_client/client/write/point.py	98.33% <0.00%> (-0.03%)	⬇️

---

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 31a3f1c...8c8b247. Read the comment docs.