build: Add Codecov reporting to build pipeline (#490)

.github/workflows/build.yml

@@ -53,6 +53,26 @@ jobs:
             exit 1
           fi
 
+  coverage:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.22.x"
+
+      - name: Run coverage
+        run: make coverage
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: segmentio/chamber
+
   dist:
     strategy:
       matrix: