Ci tweaks (#409)

Author: gwaramadze

.github/workflows/ci.yml

@@ -1,7 +1,6 @@
 name: 'CI'
 
 on:
-  push:
   pull_request:
 
 
@@ -22,7 +21,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Setup Python ${{ matrix.python }}
+      - name: Setup Python
         uses: actions/setup-python@v4
         with:
           python-version: 3.8
@@ -43,7 +42,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        python: [ 3.8 ]
+        python: [3.8, 3.12]
     steps:
       - name: Checkout
         uses: actions/checkout@v3