docs (telemetry): update domain docs

website/content/docs/configuration/events/common.mdx

@@ -14,7 +14,7 @@ These parameters are shared across all sink types:
 - `description` - Specify a description for the sink.
 
 - `event_types` - Specifies a list of event types that will be sent to the sink.
-  Can be `*`, `error`, `system`, `observation` or `audit`.
+  Can be `*`, `audit`, `error`, `observation`, `system`, or `telemetry`.
 
 - `event_source_url` - Specifies an optional event source URL for the sink. If
   not specified, the default source will be composed of the

website/content/docs/configuration/events/index.mdx

@@ -15,6 +15,7 @@ Example:
 events {
   observations_enabled = true
   sysevents_enabled = true
+  telemetry_enabled = false
   sink "stderr" {
     name = "all-events"
     description = "All events sent to stderr"
@@ -40,6 +41,9 @@ events {
 
 - `sysevents_enabled` - Specifies if system events should be emitted.
 
+- `telemetry_enabled` - Specifies if telemetry events should be emitted.
+To receive telemetry events, you must also set `observations_enabled` to `true`.
+
 - `sink` - Specifies the configuration of an event sink. Currently, two types of
   sink are supported: [file](/boundary/docs/configuration/events/file) and [stderr](/boundary/docs/configuration/events/stderr). If no sinks are configured then all
   events will be sent to a default [stderr](/boundary/docs/configuration/events/stderr) sink. Events may be sent to multiple
@@ -54,6 +58,7 @@ events {
   audit_enabled = false
   observations_enabled = true
   sysevents_enabled = true
+  telemetry_enabled = false
   sink "stderr" {
     name = "default"
     event_types = ["*"]