[Backport]Update changelog after release (valkey-io#2788)

* Update changelog after release

Signed-off-by: Yury-Fridlyand <[email protected]>

CHANGELOG.md

@@ -1,5 +1,14 @@
 #### Changes
-* Python: Add JSON.ARRLEN command ([#2403](https://github.com/valkey-io/valkey-glide/pull/2403))
+
+#### Breaking Changes
+
+#### Fixes
+
+#### Operational Enhancements
+
+## 1.2.0 (2024-11-27)
+
+#### Changes
 * Node: Client API for retrieving internal statistics ([#2727](https://github.com/valkey-io/valkey-glide/pull/2727))
 * Python: Client API for retrieving internal statistics ([#2707](https://github.com/valkey-io/valkey-glide/pull/2707))
 * Node, Python, Java: Adding support for replacing connection configured password ([#2651](https://github.com/valkey-io/valkey-glide/pull/2651), [#2659](https://github.com/valkey-io/valkey-glide/pull/2659), [#2677](https://github.com/valkey-io/valkey-glide/pull/2677))
@@ -93,6 +102,7 @@
 * Core: SlotMap refactor - Added NodesMap, Update the slot map upon MOVED errors ([#2682](https://github.com/valkey-io/valkey-glide/issues/2682))
 
 #### Breaking Changes
+**None**
 
 #### Fixes
 * Core: UDS Socket Handling Rework ([#2482](https://github.com/valkey-io/valkey-glide/pull/2482))