chore(deps): Bump github.com/celestiaorg/celestia-app from 1.4.0 to 1.6.0 #6587

Job	Run time
setup	1s
yamllint	7s
Markdown Lint	6s
hadolint / hadolint	7s
go-ci / setup	1s
go-ci / Lint	2m 1s
go-ci / Go Mod Tidy Check	38s
go-ci / Run Integration Tests	12m 10s
go-ci / Run Unit Tests with Race Detector	4m 4s
go-ci / Unit Tests Coverage (ubuntu-latest)	3m 10s
go-ci / Unit Tests Coverage (macos-latest)	5m 50s
version_bump	0s
goreleaser	0s
	28m 15s

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