fix(opentelemetry): close span even if no logs are sent (#8367)

* fix(opentelemetry): close span even if no logs are sent

* changelog

changelogs/fragments/8367-fix-close-span-if-no-logs.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+  - "opentelemetry callback plugin - close spans always (https://github.com/ansible-collections/community.general/pull/8367)."

plugins/callback/opentelemetry.py

@@ -402,6 +402,7 @@ class OpenTelemetrySource(object):
         if not disable_logs:
             # This will avoid populating span attributes to the logs
             span.add_event(task_data.dump, attributes={} if disable_attributes_in_logs else attributes)
+        # Close span always
         span.end(end_time=host_data.finish)
 
     def set_span_attributes(self, span, attributes):