add coverage report for ci

.github/workflows/check.yaml

@@ -28,6 +28,10 @@ jobs:
           rustup update stable --no-self-update
           rustup target add wasm32-unknown-unknown
 
+      - name: Install Tarpaulin
+        run: |
+          cargo install cargo-tarpaulin
+
       - name: Check TOML
         uses: dprint/[email protected]
 
@@ -50,3 +54,13 @@ jobs:
         run: >
           pushd node &&
           cargo check --features=runtime-benchmarks --release
+
+      - name: Run Coverage 
+        run: |
+          cargo tarpaulin --verbose --locked --no-fail-fast --workspace --features runtime-benchmarks --out "Xml"
+
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v3
+        with:
+          name: tarpaulin coverage
+          path: ./tarpaulin-report.xml