chore: Set version to 0.7.3-SNAPSHOT post-release (#540)

Author: kggilmer

gradle.properties

@@ -9,7 +9,7 @@ android.useAndroidX=true
 android.enableJetifier=true
 
 # SDK
-sdkVersion=0.7.2-alpha
+sdkVersion=0.7.3-SNAPSHOT
 
 # kotlin
 kotlinVersion=1.5.31