Update CHANGELOG for #324 (#344)

Author: bflad

.changes/unreleased/NOTES-20231115-091528.yaml

@@ -0,0 +1,6 @@
+kind: NOTES
+body: This release introduces no functional changes. It does however include dependency
+ updates, such as `google.golang.org/grpc`, which address upstream CVEs.
+time: 2023-11-15T09:15:28.630051-05:00
+custom:
+ Issue: "324"