Bump codecov/codecov-action from 5.4.2 to 7.0.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.4.2 to 7.0.0.
- [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/ad3126e916f78f00edff4ed0317cf185271ccc2d...fb8b3582c8e4def4969c97caa2f19720cb33a72f)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/tests.yml

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f0e6a0a..b6241af 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -36,4 +36,4 @@
 
       - name: Upload coverage to Codecov
         if: ${{ matrix.update-coverage }}
-        uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d #v5.4.2
+        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f #v7.0.0