CI: Bump codecov/codecov-action from 4 to 5

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](https://github.com/codecov/codecov-action/compare/v4...v5)

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

closes: #16079

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/workflows/ci.yml

@@ -295,7 +295,7 @@ jobs:
       - name: Codecov
         timeout-minutes: 20
         if: matrix.coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           flags: linux,${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}
           token: ${{ secrets.CODECOV_TOKEN }}
@@ -716,7 +716,7 @@ jobs:
       - name: Codecov
         timeout-minutes: 20
         if: matrix.coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           directory: src
           flags: windows,${{ matrix.toolchain }}-${{ matrix.arch }}-${{ matrix.features }}