Add launcher tables to track phased Linux package updates

[Micah-Kolide]

Currently the various Linux package manager upgradeable tables to not have the ability to know if a package update is being held back for any reason. There are some more commands we can shell out to for this data.

An example is apt's apt-cache policy {package} to get the pinning priorities and distribution properties of the package.

[directionless]

How do you anticipate using that data?

Since pinning a package is end user controlled, I'm not sure we should skip the check creation for it

[Micah-Kolide]

How do you anticipate using that data?

Since pinning a package is end user controlled, I'm not sure we should skip the check creation for it

This was mostly to ignore phased updates, but I was thinking of making a check option to ignore pinned/phased updates similar to the homebrew check option.