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

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](codecov/codecov-action@51d8108...5a8bb47)

---
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>

.github/workflows/tests.yml

@@ -234,7 +234,7 @@ jobs:
         env:
           HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: codecov/codecov-action@51d810878be5422784e86451c0e7c14e5860ec47
+      - uses: codecov/codecov-action@5a8bb4701eca7ba3673f21664b887f652c58d0a3
 
   test-default-formula-linux:
     name: test default formula (Linux)
@@ -339,4 +339,4 @@ jobs:
 
       - run: brew test-bot --only-formulae --test-default-formula
 
-      - uses: codecov/codecov-action@51d810878be5422784e86451c0e7c14e5860ec47
+      - uses: codecov/codecov-action@5a8bb4701eca7ba3673f21664b887f652c58d0a3