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@sha256:1bf97f21f01b0e7bd4b7b34a26d3b9d8086e41e70c10f262e8a9e0b49b5116a0
   - name: viaductoss/ksops
     newTag: v4.3.2@sha256:21cb93a5a8bc8f6a9e21991fde99653728585563a879fc2f7939d96de524747c
 generators: