Add release notes for 8.3.0 and 8.3.1

Author: miriam-eid

docs/guide/release-notes.asciidoc

@@ -1,6 +1,8 @@
 [[release-notes]]
 == Release notes
 
+* <<rn-8-3-1>>
+* <<rn-8-3-0>>
 * <<rn-8-2-3>>
 * <<rn-8-2-2>>
 * <<rn-8-2-1>>
@@ -10,6 +12,22 @@
 * <<rn-8-1-0>>
 * <<rn-8-0-0>>
 
+[discrete]
+[[rn-8-3-1]]
+=== 8.3.1 (2022-06-30)
+
+[discrete]
+==== Security
+
+* Added the **experimental** `security.has_privileges_user_profile` API.
+* Added the `hint` parameter to the **experimental** `security.suggest_user_profiles` API.
+
+[discrete]
+[[rn-8-3-0]]
+=== 8.3.0 (2022-06-29)
+
+* Client is compatible with Elasticsearch 8.3.0
+
 [discrete]
 [[rn-8-2-3]]
 === 8.2.3 (2022-06-15)