Fix dependabot

[snapsl]

• I have read the contributing guidelines, and I agree with the Code of Conduct.
• Have you checked that there aren't other open pull requests for the same changes?
• Have you tested that the committed code can be executed without errors?
• This PR is not composed of garbage changes used to farm GitHub activity to enter potential Crypto AirDrops.
  Any user suspected of farming GitHub activity with crypto purposes will get banned. Submitting broken code wastes the contributors' time, who have to spend their free time reviewing, fixing, and testing code that does not even compile breaks other features, or does not introduce any useful changes. I appreciate your understanding.

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Follow up #3446.

Fix config for nuget and added grouping to reduce number of PRs.

[snapsl]

@marticliment I enabled dependabot for my fork so you can see what the resulting pr would look like.

[marticliment]

@marticliment I enabled dependabot for my fork so you can see what the resulting pr would look like.

I guess we'll need to wait for a package to be outdated, so dependabot can kick in and create a PR