Add announcement for next release for dlm

Author: sbiscigl

.changelog/7bb77efb8cac48abbbc80479fd960636.json

@@ -0,0 +1,8 @@
+{
+    "id": "7bb77efb-8cac-48ab-bbc8-0479fd960636",
+    "type": "announcement",
+    "description": "This release includes breaking changes for the timestamp trait on the data lifecycle management client.",
+    "modules": [
+        "service/dlm"
+    ]
+}

.changelog/7dbefaf42bac491da778d9afb1f865b1.json

@@ -0,0 +1,8 @@
+{
+    "id": "7dbefaf4-2bac-491d-a778-d9afb1f865b1",
+    "type": "bugfix",
+    "description": "Correct timestamp type for data lifecycle manager.",
+    "modules": [
+        "service/dlm"
+    ]
+}