Update v8 mockdata to include last_hour

[VIKTORVAV99]

Issue

It appears that the last_hour mock data was not included before.

Description

Updates the v8 mock data to include last_hour so it can be used in the tests for #6263

[github-actions]

PR Analysis

• 🎯 Main theme: Updating mock data to include 'last_hour' data for testing
• 📝 PR summary: This PR updates the v8 mock data to include 'last_hour' data. This change is necessary to facilitate testing for issue feat(app): Use the v8 backend #6263. The mock data files for different time intervals and regions have been modified.
• 📌 Type of PR: Tests
• 🧪 Relevant tests added: No
• ⏱️ Estimated effort to review [1-5]: 2, because the PR mainly involves updating mock data, which is straightforward and does not involve complex logic or code changes.
• 🔒 Security concerns: No

PR Feedback

• 💡 General suggestions: The PR is straightforward and focused on its purpose, which is good. However, it would be beneficial to include a brief explanation of why the 'last_hour' data was not included previously and why it is necessary now. This would provide more context for the change.

• 🤖 Code feedback:

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[tonypls]

LGTM 🚀