Upgrade Python version in CI

Author: jbonofre

.env

@@ -53,5 +53,5 @@ MAVEN=3.9.9
 # Versions for various dependencies used to build artifacts
 # Keep in sync with apache/arrow
 ARROW_REPO_ROOT=./arrow
-PYTHON=3.9
+PYTHON=3.13
 VCPKG="f7423ee180c4b7f40d43402c2feb3859161ef625" # 2024.06.15 Release