chore(deps): bump codecov/codecov-action in the actions group

Bumps the actions group with 1 update: [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `codecov/codecov-action` from 5.1.1 to 5.1.2
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@7f8b4b4...1e68e06)

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

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

.github/workflows/tests.yaml

@@ -59,7 +59,7 @@ jobs:
       - name: Run Go tests
         run: go test -covermode atomic -coverprofile coverage.txt $(go list ./... | grep -v third_party/)
       - name: Upload Coverage Report
-        uses: codecov/codecov-action@7f8b4b4bde536c465e797be725718b88c5d95e0e # v5.1.1
+        uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303 # v5.1.2
         with:
           env_vars: OS
       - name: Run Go tests w/ `-race`