changelog: add missing Deprecated section to Unreleased template

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: hombit

CHANGELOG.md

@@ -9,6 +9,32 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+--
+
+### Changed
+
+--
+
+### Deprecated
+
+--
+
+### Removed
+
+--
+
+### Fixed
+
+--
+
+### Security
+
+--
+
+## [0.13.0] 2026-06-10
+
+### Added
+
 - **Multi-band support** for all single-band Rust feature extractors: every feature now accepts an
   optional `bands` constructor argument (e.g. `Amplitude(bands=["g", "r"])`). When provided, the
   feature is evaluated independently per passband and the outputs are concatenated; output names are
@@ -54,10 +80,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 --
 
-### Security
-
---
-
 ## [0.12.5] 2026-05-27
 
 ### Added