Add support for fetching historical anomalies (DCP274087/RN43829)

[tobedeprez]

Note: still update the version RN 43853 is merged in

[Copilot]

Pull Request Overview

This PR adds support for fetching historical anomalies from the Relational Anomaly Detection (RAD) engine, introducing new capabilities for retrieving anomaly data across time ranges. The changes include updating package references, adding new API methods, and enhancing existing functionality to support multi-agent scenarios.

• Introduces RelationalAnomaly class and FetchRelationalAnomalies method for historical anomaly retrieval
• Adds version checks and compatibility logic for new features including RadGroupInfoEvent cache and historical anomalies
• Updates existing methods to support automatic DataMiner agent resolution and cross-agent operations

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
Utils.RadToolkit.csproj	Updates package references to use internal SLAnalyticsTypes package
RelationalAnomaly.cs	New class representing anomalies detected by the RAD engine with comprehensive metadata
RadHelper.cs	Major enhancement adding historical anomaly fetching, cross-agent support, and version compatibility checks
RadGroupSettings.cs	Adds DataMinerID property to RadGroupInfo with new constructor for agent-aware operations

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