Resolve #3394413 "Basic pipeline"

Closes #3394413

The goal here is to add a basic pipeline that doesn't run any tests, but builds successfully. The goal is to have a core clone with the Automatic Updates and Package Manager modules converted to core modules.

composer.json

@@ -39,7 +39,7 @@
         "core-convert": "Converts this module to a core merge request. Excepts 2 arguments. 1) The core clone directory. 2) The core merge request branch.",
         "core-commit": "Converts this module to a core merge request. Excepts 1 arguments. The core clone directory."
     },
-    "autoload-dev": {
+    "autoload": {
         "classmap": [
             "scripts/src/Converter.php"
         ]