[prometheus] Update prometheus dependency non-major updates (#6471)

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

Author: renovate[bot]

charts/prometheus/Chart.lock

@@ -1,7 +1,7 @@
 dependencies:
 - name: alertmanager
   repository: https://prometheus-community.github.io/helm-charts
-  version: 1.30.0
+  version: 1.31.0
 - name: kube-state-metrics
   repository: https://prometheus-community.github.io/helm-charts
   version: 7.0.0
@@ -11,5 +11,5 @@ dependencies:
 - name: prometheus-pushgateway
   repository: https://prometheus-community.github.io/helm-charts
   version: 3.6.0
-digest: sha256:e87978733a227bb3b2596caf656878a12e78af024779c2ee3dfe7a58015e6a93
-generated: "2026-01-06T12:50:16.277168771Z"
+digest: sha256:f95e18df15eb5d8fba2774ceb1a44604ebd5c07f64c2fad9ef1c9bd07fb0ca21
+generated: "2026-01-09T21:42:16.277974179Z"

charts/prometheus/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: prometheus
 # renovate: github=prometheus/prometheus
 appVersion: v3.9.1
-version: 28.2.1
+version: 28.3.0
 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: "1.30.*"
+    version: "1.31.*"
     repository: https://prometheus-community.github.io/helm-charts
     condition: alertmanager.enabled
   - name: kube-state-metrics

charts/prometheus/values.yaml

@@ -57,7 +57,7 @@ configmapReload:
     ##
     image:
       repository: quay.io/prometheus-operator/prometheus-config-reloader
-      tag: v0.87.1
+      tag: v0.88.0
       # When digest is set to a non-empty value, images will be pulled by digest (regardless of tag value).
       digest: ""
       pullPolicy: IfNotPresent