Change submod to point to test i2c

Author: malcolm-sparkfun

.gitmodules

@@ -121,4 +121,4 @@
 	url = https://github.com/malcolm-sparkfun/Qwiic_OPT4048_Py_Test.git
 [submodule "qwiic/supported_circuitpython/qwiic_i2c"]
 	path = qwiic/supported_circuitpython/qwiic_i2c
-	url = https://github.com/sparkfun/Qwiic_I2C_Py.git
+	url = https://github.com/malcolm-sparkfun/Qwiic_I2C_Py_Test.git