Bump @bufbuild/buf from 1.27.2 to 1.28.1 in /dashboard #3352

Job	Run time
CI / setup	1s
CI / test_pinniped_proxy	1m 32s
CI / test_go	2m 57s
CI / test_dashboard	3m 7s
CI / Build dashboard image	7m 12s
CI / Build apprepository-controller image	2m 8s
CI / Build asset-syncer image	2m 3s
CI / Build E2E runner image	5m 53s
CI / test_chart_render	14s
CI / Build kubeapps-apis image	4m 50s
CI / Build pinniped-proxy image	26s
CI / test_oci_catalog	1m 20s
CI / Build oci-catalog image	2m 26s
CI / sync_chart_from_bitnami	0s
CI / linters / golang-linter	42s
CI / linters / license-headers-linter	45s
CI / linters / yaml-linter	8s
CI / linters_result	1s
CI / local_e2e_tests (carvel)	8m 4s
CI / push_dev_images	3m 17s
CI / local_e2e_tests (flux)	8m 5s
CI / gke_setup	0s
CI / local_e2e_tests (main)	14m 40s
CI / local_e2e_tests (multicluster)	8m 33s
CI / local_e2e_tests (multicluster-nokubeapps)	8m 29s
CI / local_e2e_tests (operator)	13m 29s
CI / GKE_REGULAR_VERSION	0s
CI / GKE_STABLE_VERSION	0s
CI / local_e2e_tests_result	1s
CI / push_images	0s
CI / sync_chart_to_bitnami	0s
CI / release	0s
	1h 40m 23s

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