chore(deps): bump KineticCafe/actions-dco from 1.3.8 to 2.0.0

Bumps [KineticCafe/actions-dco](https://github.com/kineticcafe/actions-dco) from 1.3.8 to 2.0.0.
- [Release notes](https://github.com/kineticcafe/actions-dco/releases)
- [Changelog](https://github.com/KineticCafe/actions-dco/blob/main/Changelog.md)
- [Commits](KineticCafe/actions-dco@1c23966...cd9508e)

---
updated-dependencies:
- dependency-name: KineticCafe/actions-dco
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/test-dco.yml

@@ -12,4 +12,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check for Developer Certificate of Origin (DCO) compiance
-        uses: KineticCafe/actions-dco@1c23966ecce077f76671a61caabeb13eefc72a51 # v1.3.8
+        uses: KineticCafe/actions-dco@cd9508e5ae82413fbd74b20af21551db0ea3eb78 # v2.0.0