Update Helm release sonarqube to v2025.6.0

This MR contains the following updates:

Package	Update	Change
sonarqube (source)	minor	2025.5.0 -> 2025.6.0

Complete MR checklist

Assignee

• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
• Update Docs with new/updated steps as needed
• Tested and Validated Changes made with supporting info like logs or screenshots from test pipelines

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Reviewer only

• Tested and Validated changes

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Release Notes

SonarSource/helm-chart-sonarqube (sonarqube)

v2025.6.0

sonarqube

• Upgrade SonarQube Server to to 2025.6.0
• Update Chart's version to 2025.6.0
• Upgrade SonarQube Community Build to 25.12.0.117093
• Disable Postgresql when the JDBC overwrite is used
• Make SonarQube Server available as an Container App on the Azure Marketplace

sonarqube-dce

• Upgrade SonarQube Server to to 2025.6.0
• Update Chart's version to 2025.6.0
• Disable Postgresql when the JDBC overwrite is used

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Configuration

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Linked Issues:

Issue

Upgrade Notices

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