Update Helm release gatus to v1.4.0

clusters/cl01tl/applications/actual/values.yaml

@@ -9,7 +9,7 @@ actual:
         main:
           image:
             repository: ghcr.io/actualbudget/actual
-            tag: 25.9.0
+            tag: 25.8.0
             pullPolicy: IfNotPresent
           env:
             - name: TZ

clusters/cl01tl/monitoring/gatus/Chart.yaml

@@ -19,7 +19,7 @@ maintainers:
 dependencies:
   - name: gatus
     repository: https://twin.github.io/helm-charts
-    version: 1.3.1
+    version: 1.4.0
   - name: postgres-cluster
     alias: postgres-17-cluster
     version: 5.1.0