Bump com.fasterxml.jackson:jackson-bom from 2.20.1 to 2.21.0 (#388) #306

Job	Run time
build-and-test / check-style	4m 7s
build-and-test / check-linux / check	5m 24s
build-and-test / check-windows / check	4m 53s
build-and-test / check-macos / check	4m 6s
publish	22m 51s
	41m 21s

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