fix(write-api): accept 201 response to write

[jacobmarble]

Helps internal issue https://github.com/influxdata/idpe/issues/18710

Proposed Changes

InfluxDB v3 Serverless will soon return 201 or 204, in cases where InfluxDB v1 and v2 only return 204. This change anticipates this API change. Public docs will also be updated.

InfluxDB v3 Dedicated and Clustered already have this behavior, and it is already documented.

Checklist

• [x] CHANGELOG.md updated
• [x] Rebased/mergeable
• n/a A test has been added if appropriate
• [ ] pytest tests completes successfully
• [x] Commit messages are conventional
• n/a Sign CLA (if not already signed)
  • I'm an employee.

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.43%. Comparing base (653af46) to head (9b4cf12). Report is 13 commits behind head on master.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #663 +/- ## ======================================= Coverage 90.43% 90.43% ======================================= Files 40 40 Lines 3524 3524 ======================================= Hits 3187 3187 Misses 337 337 ```

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[jacobmarble]

@bednar I don't have permission to merge, so I'll leave it to you. Thanks for your attention!