Update Helm release elasticsearch to v21.4.2 (#1087)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

clusters/cl01tl/applications/tubearchivist/Chart.yaml

@@ -25,7 +25,7 @@ dependencies:
     repository: https://bjw-s.github.io/helm-charts/
     version: 3.6.1
   - name: elasticsearch
-    version: 21.4.1
+    version: 21.4.2
     repository: https://charts.bitnami.com/bitnami
   - name: redis
     version: 19.6.4

clusters/cl01tl/platform/stalwart/Chart.yaml

@@ -30,7 +30,7 @@ dependencies:
     version: 2.2.1
     repository: https://charts.bitnami.com/bitnami
   - name: elasticsearch
-    version: 21.4.1
+    version: 21.4.2
     repository: https://charts.bitnami.com/bitnami
   - name: postgres-cluster
     alias: postgres-17-cluster