Add codecov to the workflow

Author: theory

.github/workflows/test-and-lint.yml

@@ -1,7 +1,7 @@
 name: 🧪 Test and Lint
 on:
   push:
-    branches-ignore: [wip/**]
+    # branches-ignore: [wip/**]
 jobs:
   test:
     strategy:
@@ -33,3 +33,11 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
       - name: Run pre-commit
         uses: pre-commit/[email protected]
+      - name: Generate Coverage
+        run: make cover RUST_BACKTRACE=1
+      - name: Publish Coverage
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: pgxn/meta
+          files: target/cover/cobertura.xml