chore(deps): update helm release keda to v2.15.0

[kharf]

This PR contains the following updates:

Package	Update	Change
keda	minor	2.14.3 -> 2.15.0

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Release Notes

kedacore/keda (keda)

v2.15.0

Breaking Changes

• Authentication: AAD-Pod-Identity and AWS-KIAM auths have been removed (#​5035|#​5085)
• Prometheus Scaler: Remove deprecated field cortexOrgID from Prometheus scaler (#​5538)

New

• General: Add --ca-dir flag to KEDA operator to specify directories with CA certificates for scalers to authenticate TLS connections (defaults to /custom/ca) (#​5860)
• General: Add Dynatrace Scaler (#​5685)
• General: Add Splunk Scaler (#​5904)
• General: Added eagerScalingStrategy for ScaledJob (#​5114)
• General: Provide CloudEvents around the management of ScaledObjects resources (#​3522)
• General: Support for Kubernetes v1.30 (#​5828)

Experimental

Here is an overview of all new experimental features:

• Datadog Scaler: Add support to use the Cluster Agent as source of metrics (#​5355)

Improvements

• Azure queue scaler: Added new configuration option 'queueLengthStrategy' (#​4478)
• Cassandra Scaler: Add TLS support for cassandra scaler (#​5802)
• GCP Pub/Sub: Add optional valueIfNull to allow a default scaling value and prevent errors when GCP metric returns no value. (#​5896)
• GCP Scalers: Added custom time horizon in GCP scalers (#​5778)
• IBM MQ Scaler: Add TLS support for IBM MQ scaler (#​5974)
• Kafka: Fix logic to scale to zero on invalid offset even with earliest offsetResetPolicy (#​5689)
• MYSQL Scaler: Add support to fetch username from env (#​5883)
• Postgres Scaler: Add support for access token authentication to an Azure Postgres Flexible Server (#​5823)

Fixes

• General: Fix panic in KedaProvider when getting metrics from Metrics Service if the gRPC Server connection is not established (#​6009)
• General: Scalers are properly closed after being refreshed (#​5806)
• New Relic Scaler: Fix CVE-2024-6104 in github.com/hashicorp/go-retryablehttp (#​5944)

Other

• General: Added Pre Regex check before building image in e2e test (#​5783)
• General: Check for missing CRD references and sample CRs (#​5920)
• General: Reduce the number of ScaledObject.Status updates in the fallback (#​5624)
• General: Remove deprecated Kustomize commonLabels (#​5888)
• General: Remove unused leader election parameters in metrics adapter (#​5959)
• General: Use new declarative parsing to read scaler config (#​5037|#​5797)
• Azure Services: Migrated to github.com/Azure/azure-sdk-for-go (#​5470)
• IBM MQ Scaler: Adding e2e test (#​1287)

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