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](codecov/codecov-action@d9f34f8...40a12dc)

---
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>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -75,7 +75,7 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: ${{ matrix.update-coverage }}
-      uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 #v3.1.1
+      uses: codecov/codecov-action@40a12dcee2df644d47232dde008099a3e9e4f865 #v3.1.2
 
     - name: Ensure go generate produces a zero diff for update-urls
       shell: bash