Add --set flags to rad upgrade kubernetes in long-running test workflow

[willdavsmith]

Description

Add --set flags to rad upgrade kubernetes in long-running test workflow. This is to address a bug/existing behavior in rad upgrade kubernetes where this command will not persist previously-applied --set flags.

Type of change

• This pull request is a minor refactor, code cleanup, test improvement, or other maintenance task and doesn't change the functionality of Radius (issue link optional).

#11218

Contributor checklist

Please verify that the PR meets the following requirements, where applicable:

• An overview of proposed schema changes is included in a linked GitHub issue.
  • Yes
  • Not applicable
• A design document PR is created in the design-notes repository, if new APIs are being introduced.
  • Yes
  • Not applicable
• The design document has been reviewed and approved by Radius maintainers/approvers.
  • Yes
  • Not applicable
• A PR for the samples repository is created, if existing samples are affected by the changes in this PR.
  • Yes
  • Not applicable
• A PR for the documentation repository is created, if the changes in this PR affect the documentation or any user facing updates are made.
  • Yes
  • Not applicable
• A PR for the recipes repository is created, if existing recipes are affected by the changes in this PR.
  • Yes
  • Not applicable

[Copilot]

Pull request overview

This PR adds a workaround for a known limitation in rad upgrade kubernetes where Helm chart values from the previous release are not automatically reused during upgrades. The change ensures that critical configuration values (global.azureWorkloadIdentity.enabled=true and database.enabled=true) are explicitly re-applied during control plane upgrades in the long-running Azure test workflow, preventing them from silently resetting to their chart defaults.

Changes:

• Modified .github/scripts/manage-radius-installation.sh to pass --set flags when executing rad upgrade kubernetes

[radius-functional-tests]

Radius functional test overview

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Name	Value
Repository	willdavsmith/radius
Commit ref	8a642ed
Unique ID	func3f92c7b0c8
Image tag	pr-func3f92c7b0c8

• gotestsum 1.13.0
• KinD: v0.29.0
• Dapr: 1.14.4
• Azure KeyVault CSI driver: 1.4.2
• Azure Workload identity webhook: 1.3.0
• Bicep recipe location ghcr.io/radius-project/dev/test/testrecipes/test-bicep-recipes/<name>:pr-func3f92c7b0c8
• Terraform recipe location http://tf-module-server.radius-test-tf-module-server.svc.cluster.local/<name>.zip (in cluster)
• applications-rp test image location: ghcr.io/radius-project/dev/applications-rp:pr-func3f92c7b0c8
• dynamic-rp test image location: ghcr.io/radius-project/dev/dynamic-rp:pr-func3f92c7b0c8
• controller test image location: ghcr.io/radius-project/dev/controller:pr-func3f92c7b0c8
• ucp test image location: ghcr.io/radius-project/dev/ucpd:pr-func3f92c7b0c8
• deployment-engine test image location: ghcr.io/radius-project/deployment-engine:latest

Test Status

⌛ Building Radius and pushing container images for functional tests...
✅ Container images build succeeded
⌛ Publishing Bicep Recipes for functional tests...
✅ Recipe publishing succeeded
❌ Test tool installation for corerp-cloud failed. Please check the logs for more details
❌ Failed to install Radius for corerp-cloud functional test. Please check the logs for more details
⌛ Starting ucp-cloud functional tests...
❌ corerp-cloud functional test failed. Please check the logs for more details
❌ ucp-cloud functional test cancelled. Please check the logs for more details