Dependabot support

[Rushaway]

Description

Dependabot will daily check for updates of dependencies. If somehting need to be updated. It will make PR with the labels "dependencies"

It will assignees to :

• @Hackmastr
• @rumblefrog
• @Rushaway

If a change has been commited, it will automaticly rebase his PR for CI.

Motivation and Context

Add support for Dependabot for keep sourcebans composer updated

How Has This Been Tested?

See Screenshots.

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.

[rumblefrog]

Daily seems a bit excessive. Generally, I dislike the use of dependabot, and much prefer Renovate over it.

[Rushaway]

Is it better now ?