Update url in library.properties

Author: njh

library.properties

@@ -6,5 +6,5 @@ sentence=Library for the Sensirion SGP30 air quality sensor
 paragraph=The SGP30 is an indoor air quality sensor equipped with an I<sup>2</sup>C interface. It outputs equivalent CO<sub>2</sub> in ppm and Total Volatile Organic Compounds (TVOC) in ppb. The sensor also gives access to its raw measurement values of Ethanol and H<sub>2</sub>. 
 
 category=Sensors
-url=https://github.com/sparkfun/SparkFun_SGP30_Library
+url=https://github.com/sparkfun/SparkFun_SGP30_Arduino_Library
 architectures=*