fix(async): parsing query response with two-bytes UTF-8 character

[bednar]

Closes #517

Proposed Changes

This PR fixes parsing query response for the async client if the CSV looks like:

#group,false,false,false,false,true,true,true
#datatype,string,long,dateTime:RFC3339,string,string,string,string
#default,_result,,,,,,
,result,table,_time,_value,_field,_measurement,type
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
,,0,2022-10-13T12:28:31.181418542Z,ÂÂÂ,value,async,error
...

Checklist

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