feat: adding LP batching

[karel-rehor]

Closes #

Proposed Changes

Briefly describe your proposed changes:

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• Tests pass
• Commit messages are conventional
• Sign CLA (if not already signed)

[codecov]

Codecov Report

Attention: Patch coverage is 88.97059% with 15 lines in your changes missing coverage. Please review.

Project coverage is 86.25%. Comparing base (86c45d7) to head (5824190).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
influxdb3/batching/batcher.go	77.77%	8 Missing and 4 partials ⚠️
influxdb3/batching/lp_batcher.go	96.34%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
+ Coverage   86.12%   86.25%   +0.12%     
==========================================
  Files          15       16       +1     
  Lines        1211     1331     +120     
==========================================
+ Hits         1043     1148     +105     
- Misses        139      149      +10     
- Partials       29       34       +5     

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