RELEASE.md: Combine Python support versions and move Python 3.9 support drop to Deprecations section

Author: vkarampudi

RELEASE.md

@@ -15,21 +15,19 @@
 *   Disabled Bzlmod in `.bazelrc` to resolve protobuf conflicts.
 *   Added dummy repositories in `WORKSPACE` to bypass circular dependencies with TensorFlow.
 *   Fixed missing `#include <cstdint>` in various files to support compilation with `gcc 15`.
-*   Added support for Python 3.13.
+*   Added support for Python 3.12 and 3.13.
 *   Upgraded Bazel global pin to `7.7.0`.
 *   Upgraded release build container configurations from legacy `manylinux2014` to modern `manylinux_2_28`.
 *   Stamps dynamic release wheels to match `manylinux_2_35` dynamic system dependencies.
-*   Added support for Python 3.12.
-*   Dropped support for Python 3.9.
-
 
 ## Breaking Changes
 
 *   N/A
 
 ## Deprecations
 
-*   N/A
+*   Dropped support for Python 3.9.
+
 
 # Version 0.48.1