Update node 20 (#18) #10

Job	Run time
github-action / CI / lint	4s
github-action / CI / context	5s
github-action / Readme / Readme	1m 6s
github-action / CI / test (test-negative.yml)	1m 48s
github-action / CI / test (test-increased-wait-time.yml)	2m 17s
github-action / CI / test (test-positive.yml)	1m 26s
github-action / CI / test (test-wrong-status.yml)	2m 1s
github-action / ci	1s
github-action / Release / release	23s
	9m 11s

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