chore(release): bump version to v3.13.0 for release

Author: neo451

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## [v3.13.0](https://github.com/obsidian-nvim/obsidian.nvim/releases/tag/v3.13.0) - 2025-07-28
+
 ### Added
 
 - Allow custom directory and ID logic for templates