release: Update actions file.

Author: Aetopia

.github/workflows/build.yml

@@ -23,7 +23,6 @@ jobs:
     runs-on: windows-latest
     needs: checkout
     steps:
-      - uses: actions/checkout@v4
       - name: Build
         uses: msys2/setup-msys2@v2
 
@@ -34,4 +33,4 @@ jobs:
 
         shell: msys2 {0}
         run: |
-          dir
+          git clone https://github.com/flarialmc/bootstrapper