Ensure begin-less and end-less ranges work too

sentry-rails/lib/sentry/rails/active_job.rb

@@ -80,7 +80,7 @@ def sentry_context(job)
           def sentry_serialize_arguments(argument)
             case argument
             when Range
-              if argument.first.is_a?(ActiveSupport::TimeWithZone)
+              if (argument.begin || argument.end).is_a?(ActiveSupport::TimeWithZone)
                 argument.to_s
               else
                 argument.map { |v| sentry_serialize_arguments(v) }

sentry-rails/spec/sentry/rails/activejob_spec.rb

@@ -163,7 +163,34 @@ def post.to_global_id
 
     it "serializes range arguments gracefully when Range consists of ActiveSupport::TimeWithZone" do
       post = Post.create!
+
       range = 5.days.ago...1.day.ago
+      range_no_beginning = (..1.day.ago)
+      range_no_end = (5.days.ago..)
+
+      expect do
+        JobWithArgument.perform_now("foo", { bar: Sentry },
+          integer: 1, post: post, range: range, range_no_beginning: range_no_beginning, range_no_end: range_no_end)
+      end.to raise_error(RuntimeError)
+
+      event = transport.events.last.to_json_compatible
+      expect(event.dig("extra", "arguments")).to eq(
+        [
+          "foo",
+          { "bar" => "Sentry" },
+          {
+            "integer" => 1,
+            "post" => "gid://rails-test-app/Post/#{post.id}",
+            "range" => "#{range.first}...#{range.last}",
+            "range_no_beginning" => "..#{range_no_beginning.last}",
+            "range_no_end" => "#{range_no_end.first}.."
+          }
+        ]
+      )
+    end
+
+    it "serializes range arguments gracefully when Range has no beginning" do
+      post = Post.create!
 
       expect do
         JobWithArgument.perform_now("foo", { bar: Sentry }, integer: 1, post: post, range: range)