Bump docker/login-action from 2 to 3 #863

Job	Run time
tests (ubuntu-latest, unit, 3.8)	48s
tests (ubuntu-latest, unit, 3.11)	52s
tests (ubuntu-latest, integration, 3.8)	2m 45s
tests (ubuntu-latest, integration, 3.11)	2m 58s
tests (ubuntu-latest, tool, 3.8)	51s
tests (ubuntu-latest, tool, 3.11)	57s
tests (windows-2022, unit, 3.8)	3m 59s
tests (windows-2022, unit, 3.11)	4m 4s
tests (windows-2022, integration, 3.8)	3m 21s
tests (windows-2022, integration, 3.11)	3m 20s
tests (windows-2022, tool, 3.8)	3m 1s
tests (windows-2022, tool, 3.11)	3m 53s
coverage	17s
	31m 6s

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