build: add quality and docs envs to CI matrix

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

Author: farhan

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: true
       matrix:
         python-version: ["3.12"]
-        toxenv: [py]
+        toxenv: [py, quality, docs]
 
     steps:
       - name: Checkout repository