ci: drop python3.9

Author: Lancetnik

.github/workflows/test.yml

@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
       fail-fast: false
 
     steps: