Fix error when cargo-template replace variables in rust-check-test.yml with liquid

Author: jhg

.github/workflows/rust-check-test.yml

@@ -27,7 +27,7 @@ jobs:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
         rust: [ stable, beta ]
-    runs-on: ${{ matrix.os }}
+    runs-on: {% raw %}${{ matrix.os }}{% endraw %} # This fix error when cargo-generate replace variables in this file
     timeout-minutes: 5
     steps:
     - uses: actions/checkout@v2