feat: add workflow-uuid label to batch, dask, and session pods

[iamakamen]

This PR harmonises the metadata labeling by adding the workflow-uuid label to all runtime workloads produced by the Workflow Controller.

Closes #667

This change is part of a cross-repository update. Please merge in conjunction with:

• feat: add workflow-uuid label to job pods reana-job-controller#498
• refactor: use workflow-uuid label for session cleanup reana-server#755

[Copilot]

Pull request overview

This PR adds a standardized workflow-uuid label to all REANA runtime workloads (Batch jobs, Dask clusters, and Interactive Sessions) to enable consistent identification and querying of resources across the platform.

• Adds workflow-uuid label to batch workflow Job pods
• Adds workflow-uuid label to interactive session Deployment pods
• Adds workflow-uuid label to Dask cluster, autoscaler, and dashboard ingress resources

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
reana_workflow_controller/workflow_run_manager.py	Adds workflow-uuid label to batch Job metadata, paralleling the existing reana-run-batch-workflow-uuid label
reana_workflow_controller/k8s.py	Adds workflow-uuid label to interactive session Deployment pod template, alongside existing reana-run-session-workflow-uuid label
reana_workflow_controller/dask.py	Adds workflow-uuid label to Dask cluster metadata, autoscaler metadata, dashboard ingress middleware, and dashboard ingress resources, complementing existing reana-run-dask-workflow-uuid labels

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[iamakamen]

Hi @tiborsimko @jirikuncar @mr-c @dinosk, I wanted to follow up on this PR. Happy to refine or adjust based on feedback.