Bump iterative/setup-cml from 2.0.0 to 3

Bumps [iterative/setup-cml](https://github.com/iterative/setup-cml) from 2.0.0 to 3.
- [Release notes](https://github.com/iterative/setup-cml/releases)
- [Commits](iterative/setup-cml@v2.0.0...v3)

---
updated-dependencies:
- dependency-name: iterative/setup-cml
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/dvc-diff.yml

@@ -30,7 +30,7 @@ jobs:
       uses: iterative/setup-dvc@v1.1.2
 
     - name: Setup continuous machine learning (CML)
-      uses: iterative/setup-cml@v2.0.0
+      uses: iterative/setup-cml@v3
 
     # Produce the markdown diff report, which should look like:
     # ## Summary of changed images