chore: change codecov version

Author: dancixx

.github/workflows/rust.yml

@@ -30,7 +30,7 @@ jobs:
           Codecov
           # You may pin to the exact commit or the version.
           # uses: codecov/codecov-action@81cd2dc8148241f03f5839d295e000b8f761e378
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v3
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with: