add changelog

Author: xinsong-cui

.changes/b6b48ccb-8aa8-40be-bc5a-f5d184e8631e.json

@@ -0,0 +1,5 @@
+{
+    "id": "b6b48ccb-8aa8-40be-bc5a-f5d184e8631e",
+    "type": "feature",
+    "description": "Added support for bearer token authentication via environment variable"
+}