build(deps): bump codecov/codecov-action from 2.0.2 to 2.0.3 (#25594)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v2.0.2...v2.0.3)

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

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

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

.github/workflows/unit_tests.yaml

@@ -171,7 +171,7 @@ jobs:
           SPACK_TEST_SOLVER: ${{ matrix.concretizer }}
       run: |
           share/spack/qa/run-unit-tests
-    - uses: codecov/codecov-action@v2.0.2
+    - uses: codecov/codecov-action@v2.0.3
       if: ${{ needs.changes.outputs.with_coverage == 'true' }}
       with:
         flags: unittests,linux,${{ matrix.concretizer }}
@@ -209,7 +209,7 @@ jobs:
           COVERAGE: true
       run: |
           share/spack/qa/run-shell-tests
-    - uses: codecov/codecov-action@v2.0.2
+    - uses: codecov/codecov-action@v2.0.3
       if: ${{ needs.changes.outputs.with_coverage == 'true' }}
       with:
         flags: shelltests,linux
@@ -311,7 +311,7 @@ jobs:
           SPACK_TEST_SOLVER: clingo
       run: |
           share/spack/qa/run-unit-tests
-    - uses: codecov/codecov-action@v2.0.2
+    - uses: codecov/codecov-action@v2.0.3
       if: ${{ needs.changes.outputs.with_coverage == 'true' }}
       with:
         flags: unittests,linux,clingo
@@ -357,7 +357,7 @@ jobs:
           echo "ONLY PACKAGE RECIPES CHANGED [skipping coverage]"
           $(which spack) unit-test -x -m "not maybeslow" -k "package_sanity"
         fi
-    - uses: codecov/codecov-action@v2.0.2
+    - uses: codecov/codecov-action@v2.0.3
       if: ${{ needs.changes.outputs.with_coverage == 'true' }}
       with:
         files: ./coverage.xml