build(deps): bump ts-graphviz/setup-graphviz from 1 to 2

Bumps [ts-graphviz/setup-graphviz](https://github.com/ts-graphviz/setup-graphviz) from 1 to 2.
- [Release notes](https://github.com/ts-graphviz/setup-graphviz/releases)
- [Commits](ts-graphviz/setup-graphviz@v1...v2)

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

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

.github/workflows/docs.yml

@@ -41,7 +41,7 @@ jobs:
         run: |
           pip install .
       - name: Install graphviz
-        uses: ts-graphviz/setup-graphviz@v1
+        uses: ts-graphviz/setup-graphviz@v2
       - name: Build documentation
         run: |
           cd docs