feat: add nightly to github action

.github/workflows/rust.yml

@@ -16,9 +16,13 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@nightly
+
     - name: Version
       run: cargo --version --verbose
+
     - name: Build
       run: cargo build --verbose
+
     - name: Run tests
       run: cargo test --verbose