Update python-package.yml (#299)

Signed-off-by: Asif Saif Uddin <auvipy@gmail.com>

Author: auvipy

.github/workflows/python-package.yml

@@ -12,11 +12,11 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v4