add changelog and use PR number

.chloggen/process_status.yaml

@@ -0,0 +1,17 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: system
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Deprecate system.process.status in favour of process.status. Use process.status as a process resource attribute.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [1181]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

schema-next.yaml

@@ -46,7 +46,7 @@ versions:
         # https://github.com/open-telemetry/semantic-conventions/pull/1006
         - rename_metrics:
             messaging.publish.messages: messaging.client.published.messages
-        # TODO https://github.com/open-telemetry/semantic-conventions/pull/x
+        # https://github.com/open-telemetry/semantic-conventions/pull/1212
         - rename_attributes:
             attribute_map:
               system.process.status: process.status