CI: (deps): Bump codecov/codecov-action in /.github/workflows

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4 to 5.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4...v5)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/tests-conda.yml

@@ -71,7 +71,7 @@ jobs:
         uses: actions/download-artifact@v4
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           name: ${{ github.workflow }}
           fail_ci_if_error: true

.github/workflows/tests-pypi.yml

@@ -99,7 +99,7 @@ jobs:
         uses: actions/download-artifact@v4
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           name: ${{ github.workflow }}
           fail_ci_if_error: true