ci: Add dependabot configuration for github-actions

[mjtrangoni]

Hi @plorenz,

This fixes #1745. I just took the same frequency config as gomod, but normally I prefer running it in a weekly basic.

Open for changing it to the desired value.

Thank you!

[plorenz]

Hi @plorenz,

This fixes #1745. I just took the same frequency config as gomod, but normally I prefer running it in a weekly basic.

Open for changing it to the desired value.

Thank you!

Weekly sounds good 👍

[mjtrangoni]

@plorenz done

[plorenz]

One more ask, could you sign your commit, please? See https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits

[mjtrangoni]

One more ask, could you sign your commit, please? See https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits

good catch! Done

[plorenz]

@mjtrangoni Thank you for contributing this!