TEST: shared report-scheduled-failure workflow

[github-actions]

The daily TMP verify reusable reporter run against falkordb/falkordb:edge failed.

https://github.com/FalkorDB/.github/actions/runs/31692934174

Set the DRIVERS_GOOGLE_CHAT_WEBHOOK_URL secret to receive this in Google Chat instead.

[github-actions]

The daily TMP verify reusable reporter run against falkordb/falkordb:edge failed.

https://github.com/FalkorDB/.github/actions/runs/31692988652

Set the DRIVERS_GOOGLE_CHAT_WEBHOOK_URL secret to receive this in Google Chat instead.

[gkorland]

Verification of the shared report-scheduled-failure reusable workflow (#5). Both paths confirmed: the first run opened this issue, the second commented on it instead of opening a duplicate. Temporary harness removed.