Add dependabot resource (#6630)

src/data/best-practices/backend-performance/content/up-to-date.md

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 # Maintaining Updated Dependencies
 
 Keeping your dependencies up to date is crucial for optimizing backend performance in web applications. Regular updates bring new features, improvements, and important patches for security vulnerabilities that could harm the performance and security of your application. An outdated package, for example, may run inefficiently or even prevent other components from functioning at peak performance. This creates a ripple effect that could slow down or disrupt entire processes. Therefore, staying current with all updates enhances the robustness and operational efficiency, contributing to faster load times, better stability, and ultimately, an improved user experience.
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+[@video@Tutorial - dependabot on GitHub](https://www.youtube.com/watch?v=TnBEVPUsuAw)