can write from esp8266

[Saim Shuja]

Steps to reproduce:
List the minimal actions needed to reproduce the behavior.

1. use this example https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/blob/master/examples/BasicWrite/BasicWrite.ino
2. enter my info (token bucket org ) .leaving tags fields as is.
3. run the example
4. Connected to InfluxDB: https://europe-west1-1.gcp.cloud2.influxdata.com
   Writing: wifi_status,device=ESP8266,SSID=koinai rssi=-69i

Expected behavior:
Data should (rssi=-691) should show up in the influxdb data explorer.

Actual behavior:
only tags and field name shows up, not actual data (rssi=-691).

Specifications:

• Library Version: 3.12.0 (latest)
• InfluxDB Version: v2
• Board/ESP chip: esp8266
• Device Arduino SDK version: 1.8.19