Update module github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring to v0.91.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring	v0.90.1 → v0.91.0

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Release Notes

prometheus-operator/prometheus-operator (github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring)

v0.91.0: 0.91.0 / 2026-05-05

Compare Source

• [CHANGE] Enforce mutual exclusion of basicAuth, authorization and oauth2 in ScrapeConfig CRD. #​8480
• [CHANGE] Add minimum length validations to string fields in ScrapeConfig CRD. #​8479
• [CHANGE] Add validations for VictorOps receiver in AlertmanagerConfig CRD. #​8220
• [CHANGE] Add validations for OpsGenie receiver in AlertmanagerConfig CRD. #​8267
• [CHANGE] Add validations for Email receiver in AlertmanagerConfig CRD. #​8270
• [FEATURE] Implement shard retention based on Prometheus data retention (it requires the PrometheusShardRetentionPolicy feature gate). #​8478
• [FEATURE] Configure node selector when sharding mode is Topology for Prometheus and PrometheusAgent custom resources (it requires the PrometheusTopologySharding feature gate). #​8486
• [FEATURE] Configure external label with topology information when sharding mode is Topology for Prometheus and PrometheusAgent custom resources (it requires the PrometheusTopologySharding feature gate). #​8519
• [FEATURE] Distribute scrape targets within topology zones when sharding mode is Topology for Prometheus and PrometheusAgent custom resources (it requires the PrometheusTopologySharding feature gate). #​8538
• [FEATURE] Add --promql-options CLI argument to the admission-webhook binary. #​8531
• [FEATURE] Validate PrometheusRule resources selected by Prometheus resources based on the PromQL enabled features. #​8545
• [FEATURE] Add workload identity authentication method for AzureSD in ScrapeConfig CRD. #​8489
• [ENHANCEMENT] Support strategic merge patch of container probes when workloads are configured with HTTPS. #​8427
• [ENHANCEMENT] Support auth_secret_file field for Email receiver in Alertmanager configuration Secret. #​8394
• [ENHANCEMENT] Support smtp_auth_secret_file field in Alertmanager configuration Secret. #​8396
• [ENHANCEMENT] Add externalId field to SigV4 configuration in Alertmanager, Prometheus, PrometheusAgent and ThanosRuler CRDs. #​8494
• [ENHANCEMENT] Add cipherSuites support for Thanos Sidecars and Rulers. #​8524
• [ENHANCEMENT] Add curves support for Thanos Sidecars and Rulers. #​8542
• [ENHANCEMENT] Speed up configuration reloads by watching the config file's parent directory. #​7366
• [ENHANCEMENT] Support Mattermost global webhook URL support in Alertmanager configuration Secret. #​8501
• [ENHANCEMENT] Add Mattermost global webhook URL support in Alertmanager CRD. #​8503 #​8534
• [ENHANCEMENT] Support payload field for Webhook receiver in Alertmanager configuration Secret. #​8505
• [ENHANCEMENT] Support attachment fields for Mattermost receiver in Alertmanager configuration Secret. #​8508
• [ENHANCEMENT] Support update_message field for Slack receiver in Alertmanager configuration Secret. #​8502
• [ENHANCEMENT] Add threading configuration for email receiver in AlertmanagerConfig CRD. #​8400
• [ENHANCEMENT] Add healthFilter field for ConsulSD in ScrapeConfig CRD. #​8529
• [BUGFIX] Ensure that inactive shards don't scrape any targets when the sharding retention policy is Retain. #​8513
• [BUGFIX] Fix Telegram bot token validation in Alertmanager configuration Secret. #​8465

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