Add Dependabot cooldown for all ecosystems

[Frulfump]

Description:
Add cooldown for all ecosystems

Justification:

Security

Are you willing to submit a PR?

Sure, just need to agree on duration of the cooldown

[gowridurgad]

Hi @Frulfump,
Thank you for creating this feature request. We will investigate it and provide feedback as soon as we have some updates.

[Frulfump]

This was fixed in #744