Bump version to 0.13.0

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0125Pi5iurTnuhZ5cZ58xcNn

Author: samuelcolvin

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = 'devtools'
-version = "0.12.2"
+version = "0.13.0"
 description = "Python's missing debug print command, and more."
 authors = [{name = 'Samuel Colvin', email = 's@muelcolvin.com'}]
 license = 'MIT'