argocd: update redis Docker tag to v7.4.2

Author: renovate[bot]

argocd/kustomization.yaml

@@ -53,7 +53,7 @@ images:
   - name: ghcr.io/dexidp/dex
     newTag: v2.41.1@sha256:bc7cfce7c17f52864e2bb2a4dc1d2f86a41e3019f6d42e81d92a301fad0c8a1d
   - name: redis
-    newTag: 7.2.0-alpine@sha256:fd5de2340bc46cbc2241975ab027797c350dec6fd86349e3ac384e3a41be6fee
+    newTag: 7.4.2-alpine@sha256:070d47a7fc389d7cf74257f76bfb57591f470f685eb4637c85f0a587534a4f26
   - name: viaductoss/ksops
     newTag: v4.3.3@sha256:6b5ec4b6144307f78bcddffd8f09020482836eee34cf77bf4ce8614b0452a73c
 generators: