Update cgr.dev/chainguard/redis Docker digest to fb6f2ae #16606

Job	Run time
backend-build	1m 4s
backend-build-image-and-scan	2m 21s
audit-licenses-backend	30s
audit-licenses-frontend	27s
frontend-build-image-and-scan	1m 53s
generate-entity-relationship-diagram	0s
generate-backend-code-documentation	1m 15s
prep-playwright-tests	0s
backend-checks / scan-backend-changes	2s
frontend-checks / scan-frontend-changes	3s
backend-checks / analyze-backend	0s
backend-checks / backend-integration-tests	0s
backend-checks / backend-unit-tests	0s
frontend-checks / frontend-tests	0s
frontend-checks / frontend-style	0s
frontend-checks / analyze-frontend	0s
push-frontend-image-to-registry	0s
push-backend-image-to-registry	0s
deploy-staging	0s
e2e-tests	0s
generate-test-reports	0s
check-latest-deploy-tag	0s
query-performance-tests	0s
push-reports	0s
deploy-production	0s
deploy-uat	0s
	7m 35s

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