[prometheus-operator-admission-webhook] Update dependency prometheus-operator/prometheus-operator to v0.87.0 (#6342)

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

Author: renovate[bot]

charts/prometheus-operator-admission-webhook/Chart.yaml

@@ -2,9 +2,9 @@
 apiVersion: v2
 description: Prometheus Operator Admission Webhook
 name: prometheus-operator-admission-webhook
-version: 0.32.3
+version: 0.33.0
 # renovate: github=prometheus-operator/prometheus-operator
-appVersion: 0.86.2
+appVersion: 0.87.0
 home: https://github.com/prometheus-operator/prometheus-operator
 icon: https://github.com/prometheus-operator/prometheus-operator/raw/main/Documentation/logos/prometheus-operator-logo.png
 keywords: