chore: update changelog, prepare for 3.16.2

changelog.md

@@ -1,7 +1,12 @@
 * 3.16.2
+  * Catch `timeout` and other `DOWN` reasons when making `gen_server` call to
+   `brod_client`, `brod_consumer` and producer/consumer supervisor,
+    and return as `Reason` in `{error, Reason}`.
+    Previously only `noproc` reaon is caught. (#492)
   * Propagate `connect_timeout` config to `kpro` API functions as `timeout` arg
     affected APIs: connect_group_coordinator, create_topics, delete_topics,
-    resolve_offset, fetch, fold, fetch_committed_offsets
+    resolve_offset, fetch, fold, fetch_committed_offsets (#458)
+  * Fix bad field name in group describe request (#486)
 * 3.16.1
   * Fix `brod` script in `brod-cli` in release.
   * Support `rebalance_timeout` consumer group option