Determine a way to ensure that main branches don't ever have dependencies on Beta Branches.

[Patrick-Daly-AA]

Story statement

As an Auro Engineer,
I want to put systems in place to ensure that our main branches do not have dependencies on beta branches,
So that our main branches are kept at a higher standard of stability

Other notes

This was something which was discussed by engineers. Possible solutions involve a script tied to PR creation to check for this and block merging if this is seen. Other possible solutions are welcome.