fix: improve redis get role #12819

Job	Run time
trigger mode	11s
check-tools-image	0s
test (mod-vendor)	1m 6s
test (lint)	2m 26s
make-test	0s
check-image	0s
test (staticcheck)	3m 42s
test (./apis)	2m 50s
test (pkg/unstructured)	2m 48s
check-dataprotection-image	0s
test (pkg/configuration)	3m 27s
check-datascript-image	0s
test (pkg/metrics)	2m 45s
test (pkg/lorry)	4m 7s
check helm	0s
test (pkg/dataprotection)	3m 30s
test (pkg/viperx)	2m 22s
test (pkg/common)	2m 26s
test (pkg/constant)	2m 25s
test (pkg/apiutil)	2m 28s
test (pkg/generics)	2m 36s
test (pkg/testutil)	2m 36s
test (pkg/gotemplate)	3m 18s
test (pkg/controller)	3m 43s
test (pkg/controllerutil)	2m 56s
test (controllers/storage)	2m 50s
test (controllers/extensions)	3m 3s
remove-runner	0s
test (controllers/k8score)	3m 13s
test (controllers/apps)	6m 18s
test (controllers/dataprotection)	4m 1s
test (controllers/workloads)	3m 0s
make test	1s
	1h 14m 8s

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