Drop Python 3.8, add 3.13 #1363

Job	Run time
build-lint-test (3.9, ubuntu-latest)	4h 37m 18s
build-lint-test (3.9, ubuntu-arm)	4h 28m 8s
build-lint-test (3.9, macos-intel)	7m 28s
build-lint-test (3.9, macos-arm)	6m 18s
build-lint-test (3.9, windows-latest)	18m 30s
build-lint-test (3.13, ubuntu-latest)	10m 9s
build-lint-test (3.13, ubuntu-arm)	8m 27s
build-lint-test (3.13, macos-intel)	12m 31s
build-lint-test (3.13, macos-arm)	5m 51s
build-lint-test (3.13, windows-latest)	16m 41s
features-tests / test	5m 55s
	10h 37m 16s

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