update gem version to 4.1.2 (oboe 2.0.10)

getting ready to release 2 bug fixes
- action name in action_contoller_api, AO-7956
- determine dbtype without making a connection, AO-7882

Author: prettycoder

lib/appoptics_apm/version.rb

@@ -8,7 +8,7 @@ module AppOpticsAPM
   module Version
     MAJOR = 4
     MINOR = 1
-    PATCH = 1
+    PATCH = 2
 
     STRING = [MAJOR, MINOR, PATCH].compact.join('.')
   end