chore: add detail error message for not supported type of Point.field

[bednar]

Related to #239

Proposed Changes

Added detail error message for not supported type of Point.field

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 #241 (6417394) into master (e26e7b0) will increase coverage by 0.04%.
The diff coverage is 100.00%.

❗ Current head 6417394 differs from pull request most recent head 1d657e9. Consider uploading reports for the commit 1d657e9 to get more accurate results

@@            Coverage Diff             @@
##           master     #241      +/-   ##
==========================================
+ Coverage   91.87%   91.92%   +0.04%     
==========================================
  Files          25       25              
  Lines        2031     2031              
==========================================
+ Hits         1866     1867       +1     
+ Misses        165      164       -1     

Impacted Files	Coverage Δ
influxdb_client/client/write/point.py	99.18% <100.00%> (+0.81%)	⬆️
influxdb_client/client/bucket_api.py	93.75% <0.00%> (ø)
influxdb_client/client/labels_api.py	96.87% <0.00%> (ø)
influxdb_client/client/organizations_api.py	84.21% <0.00%> (ø)

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