fix redis pod failing to start after upgrade (#1841)

Signed-off-by: Anand Kumar Singh <anandrkskd@gmail.com>

Author: anandrkskd

controllers/argocd/deployment.go

@@ -616,6 +616,15 @@ func (r *ReconcileArgoCD) reconcileRedisDeployment(cr *argoproj.ArgoCD, useTLS b
 			changed = true
 		}
 
+		if !reflect.DeepEqual(deploy.Spec.Template.Spec.SecurityContext, existing.Spec.Template.Spec.SecurityContext) {
+			existing.Spec.Template.Spec.SecurityContext = deploy.Spec.Template.Spec.SecurityContext
+			if changed {
+				explanation += ", "
+			}
+			explanation += "pod security context"
+			changed = true
+		}
+
 		if !reflect.DeepEqual(deploy.Spec.Template.Spec.ServiceAccountName, existing.Spec.Template.Spec.ServiceAccountName) {
 			existing.Spec.Template.Spec.ServiceAccountName = deploy.Spec.Template.Spec.ServiceAccountName
 			if changed {