v0.1.2

Added

• Package-catalog preview image (pi.image) so the pi.dev gallery card shows a
  pi --list-models screenshot.
• Dependabot config: weekly grouped npm updates and github-actions updates.

Changed

• CI: bump actions/checkout and actions/setup-node to v6 (off the deprecated
  Node 20 action runtime).

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Published to npm: https://www.npmjs.com/package/pi-sap-aicore/v/0.1.2