fix: set the gem version to 0.0.0 to let the automation do the initial release

Author: michal-kazmierczak

instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/version.rb

@@ -7,7 +7,7 @@
 module OpenTelemetry
   module Instrumentation
     module Grpc
-      VERSION = '0.2.0'
+      VERSION = '0.0.0'
     end
   end
 end