SDP Release 5.0

[philipliu]

Copied over from https://github.com/stellar/stellar-disbursement-platform-backend/tree/84a616d5586090682831f523530d21a293c7b91d/helmchart/sdp

[Copilot]

Pull Request Overview

This PR upgrades the Stellar Disbursement Platform Helm chart from version 4.1.0 to 5.0.0, removing Kafka event broker support in favor of a scheduler-based approach.

• Removes all Kafka/event broker configuration from the chart
• Updates Docker image versions from 4.1.0 to 5.0.0 for both backend and frontend
• Updates chart version and appVersion to 5.0.0

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Chart.yaml	Updates chart version and appVersion from 4.1.x to 5.0.0
values.yaml	Removes global.eventBroker configuration section and all Kafka-related secret documentation; updates image tags to 5.0.0
templates/01.1-configmap-sdp.yaml	Removes EVENT_BROKER_TYPE and Kafka configuration environment variables from SDP configmap
templates/01.3-configmap-tss.yaml	Removes EVENT_BROKER_TYPE and Kafka configuration environment variables from TSS configmap
README.md	Removes Kafka prerequisite, removes event broker parameter documentation, updates version references to 5.0.0

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