There is no such thing as a non-Canonical PPA. Those are just external Apt repositories. Their individual maintainers need to be notified, but for all the ones you’ve listed, they already have.
https://wiki.debian.org/Teams/Apt/Sha1Removal
There is no such thing as a non-Canonical PPA. Those are just external Apt repositories. Their individual maintainers need to be notified, but for all the ones you’ve listed, they already have.
https:/ /wiki.debian. org/Teams/ Apt/Sha1Removal