WIP feat(ci): add code coverage report

.github/workflows/check.yml

@@ -84,3 +84,28 @@ jobs:
       - uses: crate-ci/typos@v1.24.1
         with:
           files: .
+
+  coverage:
+    if: ${{ !startsWith(github.head_ref, 'dependabot/') }}
+    runs-on: ubuntu-latest
+    env:
+      BEERUS_TEST_RUN: 1
+      BEERUS_TEST_STARKNET_URL: https://starknet-mainnet.g.alchemy.com/starknet/version/rpc/v0_7/${{ secrets.ALCHEMY_KEY }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: rm -rf /opt/hostedtoolcache
+      - name: View context attributes
+        uses: actions/github-script@v7
+        with:
+          script: console.log(context)
+      - name: Install Tarpaulin for code coverage
+        run: cargo install cargo-tarpaulin
+      - name: Run tests with coverage
+        run: cargo clean && cargo tarpaulin --engine llvm --out Html
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: ./tarpaulin-report.html
+          #token: ${{ secrets.CODECOV_TOKEN }}