Drop python 3.9

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

.github/workflows/main.yml

@@ -29,7 +29,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.11", "3.12"]
 
     steps:
       - name: Checkout code

.github/workflows/pypi-release.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.12
 
       - name: Install pypa/build
         run: python -m pip install build --user