Use latest rust

Author: santhoshtr

.github/workflows/rust.yml

@@ -12,8 +12,14 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain:
+          - stable
     steps:
     - uses: actions/checkout@v4
+    - name: Get stable Rust
+      run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
     - name: Build
       run: cargo build --verbose
     - name: Run tests