Allow Zframework to be checked out (#580)

* Allow checkout Zframework

* Propagate changes to all workflows

* Fix indentation

* Decide to be `recursive`

* Remove unnecessary checkouts

* Remove unnecessary recursive checkouts

.github/actions/automatic-test/action.yml

@@ -4,7 +4,6 @@ description: 'Check for obvious errors.'
 runs:
   using: "composite"
   steps:
-  - uses: actions/checkout@v2
   - uses: ./.github/actions/build-love
     with:
       file-path: Techmino.love
@@ -21,4 +20,4 @@ runs:
     uses: GabrielBB/xvfb-action@v1
     with:
       run: |
-        ./dest/love Techmino.love --test
+        ./dest/love Techmino.love --test