Simplify build and test action

Author: Kuuuube

.github/workflows/build_test.yml

@@ -10,20 +10,14 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build-linux:
+  build-windows:
     runs-on: windows-latest
-    strategy:
-      matrix:
-        toolchain:
-          - stable
-          - beta
-          - nightly
     steps:
       - uses: actions/checkout@v4
       - name: Setup dependencies
         run: |
-          rustup update ${{ matrix.toolchain }}
-          rustup default ${{ matrix.toolchain }}
+          rustup update stable
+          rustup default stable
 
       - name: Build
         run: |