DOCSP-21167 Release Notes for 1.15.1 (#860)

* DOCSP-21167 Release Notes for 1.15.1

* DOCSP-21167 updates for copy review feedback

Author: kanchana-mongodb

source/release-notes.txt

@@ -17,6 +17,32 @@ Release Notes for |k8s-op-full|
 |k8s-op-full| 1.15 Series
 -------------------------
 
+.. _ent_op-1.15.1:
+
+|k8s-op-full| 1.15.1
+~~~~~~~~~~~~~~~~~~~~
+
+*Released 2022-03-04*
+
+MongoDB Resource
+````````````````
+ 
+Changes
++++++++
+
+- Init-database, Init-Ops-Manager, and Operator binaries now use 
+  Go 1.17.7 to prevent `CVE-2022-23773 <https://nvd.nist.gov/vuln/detail/CVE-2022-23773>`__.
+
+MongoDBOpsManager Resource
+``````````````````````````
+ 
+Bug Fixes
++++++++++
+
+- Fixes an issue that prevented the Operator upgrade when managing a 
+  TLS-enabled ApplicationDB whose TLS certificate is stored in a 
+  `Secret` of type Opaque.
+
 .. _ent_op-1.15.0:
 
 |k8s-op-full| 1.15.0