feat: improve influxdb v2 api compability

[fengys1996]

I hereby agree to the terms of the GreptimeDB CLA

What's changed and what's your intention?

This pr mainly improve influxdb v2 api compability.

• Write using the curl command as shown below

  curl -i -XPOST "http://localhost:4000/v1/influxdb/api/v2/write?bucket=public&precision=ms" \
  --data-binary \
  'monitor,host=127.0.0.1 cpu=0.1,memory=0.4 1667446797450
   monitor,host=127.0.0.2 cpu=0.2,memory=0.3 1667446798450
   monitor,host=127.0.0.1 cpu=0.5,memory=0.2 1667446798450'

• Write using Go sdk, an example here

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.

Refer to a related PR or issue link (optional)

fix #1815

[codecov]

Codecov Report

Merging #1831 (d98e986) into develop (fd412b7) will decrease coverage by 0.24%.
The diff coverage is 64.28%.

@@             Coverage Diff             @@
##           develop    #1831      +/-   ##
===========================================
- Coverage    86.45%   86.22%   -0.24%     
===========================================
  Files          585      587       +2     
  Lines        95432    95702     +270     
===========================================
+ Hits         82509    82520      +11     
- Misses       12923    13182     +259     

[killme2008]

Almost LGTM