feat(action): yeah nah how about we actually make it run on dotnet and see what breaks

.forgejo/workflows/demo.yaml

@@ -5,7 +5,7 @@ jobs:
   #   steps:
   #     - run: echo All good!
   checkout:
-    runs-on: docker
+    runs-on: dotnet
     steps:
       - id: checkout
         uses: actions/checkout@v7
@@ -13,9 +13,6 @@ jobs:
           repository: "pascal_nulah/Nulah.PowerShell"
           ref: "feature/forgejo-runner-and-actions"
           github-server-url: "https://git.moar.ws/"
-  dotnet:
-    runs-on: dotnet
-    steps:
       - name: list directory contents
         run: ls ./.forgejo/dotnet-build -la
       - id: why_not_use_the_action_we_just_verified_exists_from_above