Bump gocui (and tcell) (#4166) #6717

Job	Run time
build	1m 21s
check-codebase	42s
check-for-fixups	0s
check-required-label	0s
Integration Tests - git 2.20.0	1m 33s
lint	51s
Integration Tests - git 2.22.5	1m 27s
ci - ubuntu-latest	52s
Integration Tests - git 2.23.0	1m 21s
ci - windows-latest	3m 8s
Integration Tests - git 2.25.1	1m 21s
Integration Tests - git 2.30.8	1m 25s
Integration Tests - git latest	1m 31s
upload-coverage	0s
	15m 32s

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