chore(deps): update cloudoperators/juno digest to 07d9ba1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cloudoperators/juno (changelog)	workflow	digest	0ae545f → 07d9ba1

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Latest commit: f538b98

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[Copilot]

🟢 Approval recommended

The change is a straightforward digest bump of a reusable workflow reference with no local logic modifications.

Pull request overview

This PR updates the pinned commit digest for the reusable GitHub Actions workflow cloudoperators/juno/.github/workflows/shared-slack-notification.yaml, ensuring the repository’s Slack notification steps run against the newer upstream revision.

Changes:

• Bump cloudoperators/juno reusable workflow reference from 0ae545f... to 07d9ba1... in release notifications.
• Bump the same reusable workflow reference in Supernova and Greenhouse image build/cleanup failure notifications.

File summaries

File	Description
.github/workflows/release.yaml	Updates the shared Slack notification workflow digest for success/failure release notifications.
.github/workflows/build-push-supernova-image.yaml	Updates the shared Slack notification workflow digest for Supernova image failure notifications.
.github/workflows/build-push-greenhouse-pr-preview.yaml	Updates the shared Slack notification workflow digest for PR preview cleanup failure notifications.
.github/workflows/build-push-greenhouse-image.yaml	Updates the shared Slack notification workflow digest for Greenhouse image failure notifications.

Review details

• Files reviewed: 4/4 changed files
• Comments generated: 0
• Review effort level: Lite

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