[prometheus] Update Helm release alertmanager to 1.35.* (#6828)

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

Author: renovate[bot]

charts/prometheus/Chart.lock

@@ -1,15 +1,15 @@
 dependencies:
 - name: alertmanager
   repository: https://prometheus-community.github.io/helm-charts
-  version: 1.34.0
+  version: 1.35.0
 - name: kube-state-metrics
   repository: https://prometheus-community.github.io/helm-charts
   version: 7.2.2
 - name: prometheus-node-exporter
   repository: https://prometheus-community.github.io/helm-charts
-  version: 4.53.0
+  version: 4.53.1
 - name: prometheus-pushgateway
   repository: https://prometheus-community.github.io/helm-charts
   version: 3.6.0
-digest: sha256:ba39405f8dfce7e62985f6bad7892cafa972c429473314301402a3c47cb65d00
-generated: "2026-04-04T21:07:27.248975015Z"
+digest: sha256:a0b8c7a99e6ae5fb1fd52952fab3311a1cc028e4e877df9773f1a58e74c5a4a2
+generated: "2026-04-09T01:34:10.626590573Z"

charts/prometheus/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: prometheus
 # renovate: github=prometheus/prometheus
 appVersion: v3.11.1
-version: 29.1.0
+version: 29.2.0
 kubeVersion: ">=1.19.0-0"
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
@@ -32,7 +32,7 @@ maintainers:
 type: application
 dependencies:
   - name: alertmanager
-    version: "1.34.*"
+    version: "1.35.*"
     repository: https://prometheus-community.github.io/helm-charts
     condition: alertmanager.enabled
   - name: kube-state-metrics