Update Helm release gatus to v1.4.0

.gitea/workflows/lint-test-docker.yaml

@@ -37,7 +37,7 @@ jobs:
 
       - name: Set up Node.js
         if: steps.check-branch-exists.outputs.exists == 'true'
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v4
         with:
           node-version: '22'
 

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