github actions: use mlugg/setup-zig

Author: joachimschmidt557

.github/workflows/main.yml

@@ -14,9 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-      with:
-        submodules: true
-    - uses: goto-bus-stop/setup-zig@v2
+    - uses: mlugg/setup-zig@v1
       with:
         version: 0.13.0
     - name: Build