Merge pull request #426 from SpiNNakerManchester/get_current_time_sup… #1490

Job	Run time
call / validate (ubuntu-latest, 3.12, validate)	3m 27s
call / tests (windows-latest, 3.12, tests)	2m 19s
call / checks (ubuntu-latest, 3.13)	2m 25s
call / tests (windows-2019, 3.9, tests)	2m 21s
call / checks (ubuntu-24.04, 3.11)	3m 6s
call / tests (macos-latest, 3.13, tests)	1m 46s
call / checks (ubuntu-latest, 3.10)	2m 42s
call / tests (macos-13, 3.9, tests)	1m 25s
call / checks (ubuntu-22.04, 3.9)	2m 32s
call / checks (ubuntu-20.04, 3.8)	2m 25s
	24m 28s

Provide feedback