fix linter

Author: dmathieu

instrumentation/sidekiq/lib/opentelemetry/instrumentation/sidekiq/middlewares/client/tracer_middleware.rb

@@ -51,7 +51,7 @@ def time_from_timestamp(timestamp)
                 # old format, timestamps were stored as fractional seconds since the epoch
                 timestamp
               else
-                timestamp / 1000r
+                timestamp/1000r
               end
             end
           end

instrumentation/sidekiq/lib/opentelemetry/instrumentation/sidekiq/middlewares/server/tracer_middleware.rb

@@ -75,7 +75,7 @@ def time_from_timestamp(timestamp)
                 # old format, timestamps were stored as fractional seconds since the epoch
                 timestamp
               else
-                timestamp / 1000r
+                timestamp/1000r
               end
             end
           end