Fix indentation in releasenotes

This commit fixes indentations in releasenotes. Due to the indentations,
the html contents are rendered as block quotes which is awkward.

Change-Id: Ia9f271ead6a6e3fb90afc935771e8da4d8990c3c
diff --git a/releasenotes/notes/12/12.2.0-add-new-identity-clients-3c3afd674a395bde.yaml b/releasenotes/notes/12/12.2.0-add-new-identity-clients-3c3afd674a395bde.yaml
index 3ec8b56..6e08743 100644
--- a/releasenotes/notes/12/12.2.0-add-new-identity-clients-3c3afd674a395bde.yaml
+++ b/releasenotes/notes/12/12.2.0-add-new-identity-clients-3c3afd674a395bde.yaml
@@ -6,8 +6,8 @@
     so the other projects can use these modules as stable libraries without
     any maintenance changes.
 
-     * endpoints_client(v3)
-     * policies_client (v3)
-     * regions_client(v3)
-     * services_client(v3)
-     * projects_client(v3)
+    * endpoints_client(v3)
+    * policies_client (v3)
+    * regions_client(v3)
+    * services_client(v3)
+    * projects_client(v3)