feat(ci): add evm coverage

.github/workflows/coverage.yml

@@ -0,0 +1,30 @@
+name: Coverage
+
+on:
+  pull_request:
+    branches:
+    - main
+
+permissions: read-all
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  report:
+    runs-on: ubuntu-latest
+    permissions: write-all
+    steps:
+      - uses: nixbuild/nix-quick-install-action@v22
+      - uses: hrishikesh-kadam/setup-lcov@v1
+      - name: Build coverage
+        run: |
+          nix --extra-experimental-features nix-command --extra-experimental-features flakes build .#evm-coverage
+      - name: Report code coverage
+        uses: zgosalvez/github-actions-report-lcov@v3
+        with:
+          coverage-files: result/lcov.info
+          minimum-coverage: 90
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          update-comment: true

evm/evm.nix

@@ -313,7 +313,7 @@
         };
 
         evm-coverage =
-          pkgs.runCommand "evm-coverage.log"
+          pkgs.runCommand "evm-coverage"
             {
               buildInputs = [ wrappedForge pkgs.lcov ];
             } ''