feat: support passing HttpClient

[NguyenHoangSon96]

Closes #173

Proposed Changes

• Support passing HttpClient from outside.
• If users pass HttpClient, they will be responsible for its states and lifecycle, but the InfluxDB client will add the authentication header and base URL automatically.

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

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.72%. Comparing base (3676b9b) to head (302c9dc).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #174      +/-   ##
==========================================
+ Coverage   96.68%   96.72%   +0.04%     
==========================================
  Files          18       18              
  Lines        1417     1436      +19     
  Branches      188      191       +3     
==========================================
+ Hits         1370     1389      +19     
  Misses          5        5              
  Partials       42       42              

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[jansimonb]

LGTM, thanks! 👍