Update workflow.yml

.github/workflows/workflow.yml

@@ -16,7 +16,7 @@ jobs:
   # This workflow contains a single job called "build"
   buildLinux:
     # The type of runner that the job will run on
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
@@ -30,7 +30,7 @@ jobs:
       - name: Install Haxelib
         run: |
           haxelib setup ~/haxelib
-          haxelib install hxcpp
+          haxelib git hxcpp https://github.com/HaxeFoundation/hxcpp
           haxelib install lime
           haxelib install openfl
           haxelib --never install flixel 5.5.0