ci: release packages

Author: github-actions[bot]

.changeset/ci-mac-release-signing.md

@@ -1,5 +1,11 @@
 # @pymodel/pythinker-code
 
+## 0.21.1
+
+### Patch Changes
+
+- [#123](https://github.com/PyModel/pythinker-code/pull/123) [`46a9cd1`](https://github.com/PyModel/pythinker-code/commit/46a9cd1a77e638e192303161f7975a28b41cc334) - Sign and notarize the macOS desktop build in the release pipeline, and fail a tagged release outright when the signing credentials are missing instead of quietly shipping an unsigned app.
+
 ## 0.21.0
 
 ### Minor Changes

apps/pythinker-code/CHANGELOG.md

@@ -1,6 +1,6 @@
 {
   "name": "@pymodel/pythinker-code",
-  "version": "0.21.0",
+  "version": "0.21.1",
   "description": "The Starting Point for Next-Gen Agents",
   "license": "MIT",
   "author": "Pythoughts",