Update Jackson packages to v2.20.0 #350

Job	Run time
common / build	1m 26s
common / spotless	49s
link-check / link-check	9s
common / integration-test	7m 23s
common / Test (ubuntu-latest, 8)	2m 33s
common / Test (ubuntu-latest, 21)	7m 42s
common / Test (ubuntu-latest, 11)	3m 20s
common / Test (windows-latest, 24)	5m 25s
common / Test (ubuntu-latest, 24)	4m 44s
common / Test (ubuntu-latest, 17)	4m 48s
common / Test (windows-latest, 11)	5m 5s
common / Test (windows-latest, 21)	9m 16s
common / Test (windows-latest, 17)	4m 26s
common / markdown-lint-check / markdown-lint-check	15s
common / misspell-check / misspell-check	4s
common / Test (windows-latest, 8)	3m 16s
common / shell-script-check / shell-script-check	6s
required-status-check	3s
	1h 0m 50s

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