The deploy/argocd-manifest-files action only supported the sources array format. ArgoCD manifests can use either singular source or sources[] format, and HOVERKRAFT_DEPLOYMENT_ID should be updated in any source with the "hoverkraft-deployment" plugin.

Changes

• Format detection: Check if manifest uses .spec.source or .spec.sources and apply updates accordingly
• Plugin env updates:
  • Singular format: update .spec.source.plugin.env if plugin name matches
  • Array format: update ALL sources[] entries with hoverkraft-deployment plugin (not just sources[0])
• Tests: Added test templates for singular source format using matrix strategy

Supported formats

# Singular
spec:
  source:
    chart: test-app
    repoURL: ghcr.io/test-org/test-app/charts
    targetRevision: # updated by deploy workflow
    plugin:
      name: hoverkraft-deployment
      env:
        - name: HOVERKRAFT_DEPLOYMENT_ID
          value: ""  # updated

# Array (any source with hoverkraft-deployment plugin is updated)
spec:
  sources:
    - chart: test-app
      repoURL: ghcr.io/test-org/test-app/charts
      targetRevision: HEAD
      plugin:
        name: hoverkraft-deployment
        env:
          - name: HOVERKRAFT_DEPLOYMENT_ID
            value: ""  # updated

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