Bump codecov/codecov-action from 2 to 3 (#44)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2 to 3.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](codecov/codecov-action@v2...v3)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci_tests.yml

@@ -105,7 +105,7 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == 3.9 && github.repository == 'EMMC-ASBL/oteapi-dlite'
-      uses: codecov/codecov-action@v2
+      uses: codecov/codecov-action@v3
       with:
         files: coverage.xml
         flags: linux
@@ -140,7 +140,7 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == 3.9 && github.repository == 'EMMC-ASBL/oteapi-dlite'
-      uses: codecov/codecov-action@v2
+      uses: codecov/codecov-action@v3
       with:
         files: coverage.xml
         flags: windows