Extracts the steps inside ci suite into files (#90077)

## About The Pull Request
Moves almost every step of the CI suite into its own file in workflows.
It should function exactly the same.

## Why It's Good For The Game
Makes our CI suite more readable at a glance, more modular and scalable
## Changelog
N/A

.github/workflows/perform_regular_version_tests.yml

@@ -1,4 +1,5 @@
 name: Run Regular BYOND Version Tests
+
 on:
   workflow_call:
     inputs: