build(deps): bump codecov/codecov-action from 3.1.1 to 3.1.2

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](d9f34f8cd5...40a12dcee2)

---
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

@@ -373,7 +373,7 @@ jobs:
           HOMEBREW_BUILDPULSE_ACCOUNT_ID: 1503512
           HOMEBREW_BUILDPULSE_REPOSITORY_ID: 53238813
 
-      - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
+      - uses: codecov/codecov-action@40a12dcee2df644d47232dde008099a3e9e4f865
         with:
           directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
           files: Library/Homebrew/test/coverage/coverage.xml