infisical: bring self-hosted stack under GitOps (postgres, valkey, backend); secret.yaml excluded template

applications/infisical/valkey/service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: infisical-valkey
+  namespace: infisical
+  labels:
+    app: infisical-valkey
+spec:
+  selector:
+    app: infisical-valkey
+  ports:
+    - name: valkey
+      port: 6379
+      targetPort: 6379