Update dependency Flask to v3 - autoclosed

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Flask (changelog)	==2.3.3 -> ==3.0.0

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⚠ Dependency Lookup Warnings ⚠

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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