chore(deps): Bump github.com/celestiaorg/celestia-app from 1.4.0 to 1.6.0 #6544

Job	Run time
Markdown Lint	10s
setup	1s
yamllint	5s
hadolint / hadolint	5s
go-ci / setup	1s
go-ci / Go Mod Tidy Check	51s
go-ci / Lint	2m 50s
go-ci / Run Unit Tests with Race Detector	4m 4s
go-ci / Unit Tests Coverage (ubuntu-latest)	3m 13s
go-ci / Run Integration Tests	12m 9s
go-ci / Unit Tests Coverage (macos-latest)	7m 8s
version_bump	0s
goreleaser	0s
	30m 37s

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