fix(ci): only trigger release for mcpm update (#262)

* fix(ci): only trigger release for mcpm update

* ci: remove codex workflow

Author: JoJoJoJoJoJoJo

.github/codex/home/config.toml

@@ -4,6 +4,9 @@ on:
   push:
     branches:
       - main
+    paths:
+      - 'src/mcpm/**'
+      - 'pyproject.toml'
 
 permissions:
   contents: write