python バージョン切り替え

# dnf install python3.9
# dnf install python3.11

# dnf install python3.12

# dnf install python3.13
# alternatives --install /usr/bin/python python /usr/bin/python3.9   1
# alternatives --install /usr/bin/python python /usr/bin/python3.11 2
# alternatives --install /usr/bin/python python /usr/bin/python3.12 3

# alternatives --install /usr/bin/python python /usr/bin/python3.13 4

# alternatives --config python