bump version to 4.7.0

Author: prettycoder

lib/appoptics_apm/version.rb

@@ -7,7 +7,7 @@ module AppOpticsAPM
   # appoptics_apm.gemspec during gem build process
   module Version
     MAJOR = 4
-    MINOR = 6
+    MINOR = 7
     PATCH = 0
 
     STRING = [MAJOR, MINOR, PATCH].compact.join('.')