Fail if we attempt to run publish on master (#38431)

* Fail if we attempt to run publish on master

BREAKING: FORKS REMOVE THIS

* Update publish.yml

.github/workflows/publish.yml

@@ -14,6 +14,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: Fail if we are attempting to run on the master branch
+      if: ${{GITHUB.REF_NAME == 'master'}} && github.repository == 'space-wizards/space-station-14'
+      run: exit 1
+
     - name: Install dependencies
       run: sudo apt-get install -y python3-paramiko python3-lxml