Update trove classifier #56

Job	Run time
build-os-python (macos-latest, 3.11)	22s
build-os-python (ubuntu-latest, 3.9)	22s
build-os-python (ubuntu-latest, 3.13)	22s
build-os-python (macos-latest, 3.13)	26s
build-os-python (windows-latest, 3.11)	26s
build-os-python (ubuntu-latest, 3.11)	23s
build-os-python (macos-latest, 3.9)	23s
build-os-python (windows-latest, 3.9)	26s
build-os-python (windows-latest, 3.13)	26s
	3m 36s

Provide feedback