Bump @types/node from 20.12.7 to 20.12.8 #269

Job	Run time
test-fails-on-error	13s
test-generate	4s
test (ubuntu-latest, nightly)	3m 49s
test (ubuntu-latest, lts)	3m 44s
test (ubuntu-latest, lts-22.7, 9.6.4)	3m 38s
test (ubuntu-latest, lts-12.26, 8.4.4)	2m 51s
test (macOS-latest, nightly)	6s
test (macOS-latest, lts)	5s
test (macOS-latest, lts-22.7, 9.6.4)	6s
test (macOS-latest, lts-12.26, 8.4.4)	5s
test (windows-latest, nightly)	5m 14s
test (windows-latest, lts)	6m 21s
test (windows-latest, lts-22.7, 9.6.4)	5m 54s
test (windows-latest, lts-12.26, 8.4.4)	4m 25s
test-stack-yamls (stack-nightly.yaml)	3m 49s
test-stack-yamls (stack.yaml)	2m 42s
	43m 6s

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