chore: bump codecov/codecov-action from 1 to 3

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 1 to 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@v1...v3)

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

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

.github/workflows/workflow.yml

@@ -49,7 +49,7 @@ jobs:
           GOBIN: ${{ github.workspace }}/go/bin
 
       - name: Codecov Upload
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         with:
           flags: unittests
           file: go/src/github.com/open-policy-agent/frameworks/constraint/cover.out