ci: migrate to actions-rs for running tests

.github/workflows/rust-tests.yml

@@ -10,13 +10,21 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
-
+  test:
+    name: Test Suite
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - name: Checkout sources
+        uses: actions/checkout@v2
+      
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      
+      - name: Run cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test