Update profiling-get-started.asciidoc (#4853)

Reflect that Profiling is available in self-managed as well as cloud.

Author: teknogeek0

docs/en/observability/profiling-get-started.asciidoc

@@ -22,7 +22,7 @@ See the <<profiling-send-feedback, send feedback>> section of the troubleshootin
 
 Before setting up Universal Profiling, make sure you meet the following requirements:
 
-* An {stack} deployment on http://cloud.elastic.co[{ecloud}] at version 8.7.0 or higher. Universal Profiling is currently only available on Elastic Cloud.
+* An {stack} deployment on http://cloud.elastic.co[{ecloud}] at version 8.7.0 or higher or 8.16.0 and higher for self-managed.
 * The workloads you're profiling must be running on Linux machines with x86_64 or ARM64 CPUs.
 * The minimum supported kernel version is either 4.19 for x86_64 or 5.5 for ARM64 machines.
 * The Integrations Server must be enabled on your {ecloud} deployment.