Sync v12.0 -> v13.0

Workflow runs for Sync v12.0 -> v13.0

• Fix copilot-setup workflow by explicitly specifying solution file in …

  completed successfully:
  Sync v12.0 -> v13.0#120:Commitd42f60bpushedbyBenjaminMichaelis
  v12.0

  Oct 6, 20259s
  More actions for workflow run 120

• Add documentation for HIGHLIGHT regions in README (#833)

  completed successfully:
  Sync v12.0 -> v13.0#119:Commit4714298pushedbyBenjaminMichaelis
  v12.0

  Oct 3, 20259s
  More actions for workflow run 119

• Update README.md

  completed successfully:
  Sync v12.0 -> v13.0#118:Commitf0e4e06pushedbyBenjaminMichaelis
  v12.0

  Oct 3, 202511s
  More actions for workflow run 118

• Add GitHub Actions workflow for Copilot environment setup and consoli…

  completed successfully:
  Sync v12.0 -> v13.0#117:Commit615cbb9pushedbyBenjaminMichaelis
  v12.0

  Sep 20, 20259s
  More actions for workflow run 117

• Fix sync workflow to only trigger on v12.0 pushes and add concurrency…

  completed successfully:
  Sync v12.0 -> v13.0#116:Commit3fc1009pushedbyBenjaminMichaelis
  v12.0

  Sep 10, 202512s
  More actions for workflow run 116