variant:heltec-wifi-kit-32-v3 fix I2C pins for the user available channel

[joseluu]

fix(esp32 variant): I2C pin numbering

Description of Change

SDA and SCL pins currently refers to an internal I2C channel rather than the I2C channel available on the pinout of the board
This change fixes it.
The change has been done by Heltec but has not been updated on this repo:
Heltec issue: Heltec-Aaron-Lee/WiFi_Kit_series#274
Heltec correction: https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series/blob/master/variants/heltec_wifi_kit_32_V3/pins_arduino.h

Test Scenarios

Tested on an genuine Heltec V3 board https://heltec.org/project/wifi-kit32-v3/
Arduino IDE 2.3.7

Related links

https://stackoverflow.com/questions/75626663/how-to-connect-two-i2c-sensors-to-the-heltec-wifi-kit-v3-esp32-board

[CLAassistant]

All committers have signed the CLA.

[github-actions]

Warnings

⚠️

Some issues found for the commit messages in this PR: the commit message "fix I2C pins for the user available channel": summary looks empty type/action looks empty Please fix these commit messages - here are some basic tips: follow Conventional Commits style correct format of commit message should be: <type/action>(<scope/component>): <summary>, for example fix(esp32): Fixed startup timeout issue allowed types are: change,ci,docs,feat,fix,refactor,remove,revert,test sufficiently descriptive message summary should be between 10 to 72 characters and start with upper case letter avoid Jira references in commit messages (unavailable/irrelevant for our customers) TIP: Install pre-commit hooks and run this check when committing (uses the Conventional Precommit Linter).

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