feat: rdkafka support to v0.19

Up to version v0.20.0 it is expected that changes are only in
method signatures, so try supporting up to it

rel #1325

instrumentation/rdkafka/Appraisals

@@ -4,7 +4,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-%w[0.12.0 0.13.0 0.14.0].each do |version|
+%w[0.12.0 0.13.0 0.14.0 0.15.0 0.16.0 0.17.0 0.18.0 0.19.0].each do |version|
   appraise "rdkafka-#{version}" do
     gem 'rdkafka', "~> #{version}"
   end

instrumentation/rdkafka/lib/opentelemetry/instrumentation/rdkafka/instrumentation.rb

@@ -11,7 +11,7 @@ module Rdkafka
       class Instrumentation < OpenTelemetry::Instrumentation::Base
         compatible do
           gem_version = Gem::Version.new(::Rdkafka::VERSION)
-          Gem::Requirement.new('>= 0.10.0', '< 0.15.0').satisfied_by?(gem_version)
+          Gem::Requirement.new('>= 0.10.0', '< 0.20.0').satisfied_by?(gem_version)
         end
 
         install do |_config|

instrumentation/rdkafka/lib/opentelemetry/instrumentation/rdkafka/patches/producer.rb

@@ -10,17 +10,18 @@ module Rdkafka
       module Patches
         # The Producer module contains the instrumentation patch the Producer#produce method
         module Producer
-          def produce(topic:, payload: nil, key: nil, partition: nil, partition_key: nil, timestamp: nil, headers: nil)
+          def produce(*args, **kwargs)
+            topic = kwargs[:topic]
+            headers = kwargs[:headers] || {}
             attributes = {
               'messaging.system' => 'kafka',
               'messaging.destination' => topic,
               'messaging.destination_kind' => 'topic'
             }
 
-            headers ||= {}
-
             tracer.in_span("#{topic} publish", attributes: attributes, kind: :producer) do
               OpenTelemetry.propagation.inject(headers)
+              kwargs[:headers] = headers
               super
             end
           end