Upgrade Holmes version 0.18.1 (#1979)

Author: moshemorad

helm/robusta/Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 72.0.1
 - name: holmes
   repository: https://robusta-charts.storage.googleapis.com
-  version: 0.18.0
-digest: sha256:e4b23abdaa3f66b16034c3e91394299860c728cc35bcd681382e4fdd11fcb982
-generated: "2025-12-26T15:11:35.999101+02:00"
+  version: 0.18.1
+digest: sha256:d2660da75058694845c45663143c828ecc5fa16fda6ac60238ea723bf08deb3c
+generated: "2025-12-28T16:55:46.814462+02:00"

helm/robusta/Chart.yaml

@@ -15,6 +15,6 @@ dependencies:
     condition: enablePrometheusStack
     repository: "https://prometheus-community.github.io/helm-charts"
   - name: holmes
-    version: 0.18.0
+    version: 0.18.1
     condition: enableHolmesGPT
     repository: "https://robusta-charts.storage.googleapis.com"