feat: dependabot workflow automation for updating dependency

[Rajpratik71]

Signed-off-by: Pratik Raj Rajpratik71@gmail.com

[mark-adams]

👋 The k-rail project has been deprecated and is no longer under active development. We recommend taking a look at OPA Gatekeeper to see if it might meet your needs going forward.

Thanks for your contribution(s) to the project!