ci: add codecov for have public interface of coverage

Author: Athroniaeth

.github/workflows/develop.yml

@@ -42,5 +42,10 @@ jobs:
       - name: Run tests
         run: uv run pytest
 
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
       - name: Lint / Format / Type-check
         run: uv run lint

.github/workflows/main.yml

@@ -46,6 +46,11 @@ jobs:
       - name: Run tests
         run: uv run pytest
 
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
       - name: Lint / Format / Type-check
         run: uv run lint