Merge pull request #287 from SpiNNakerManchester/typing #688

Job	Run time
call / validate (ubuntu-latest, 3.12, validate)	2m 15s
call / tests (windows-latest, 3.12, tests)	2m 22s
call / checks (ubuntu-latest, 3.13)	1m 42s
call / tests (windows-2019, 3.9, tests)	1m 45s
call / checks (ubuntu-24.04, 3.11)	1m 29s
call / tests (macos-latest, 3.13, tests)	7m 21s
call / checks (ubuntu-latest, 3.10)	1m 29s
call / tests (macos-13, 3.9, tests)	12m 12s
call / checks (ubuntu-22.04, 3.9)	1m 23s
call / checks (ubuntu-20.04, 3.8)	1m 30s
	33m 28s

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