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] <support@github.com>

.github/workflows/tests.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Graphviz
-        uses: ts-graphviz/setup-graphviz@v1
+        uses: ts-graphviz/setup-graphviz@v2
 
       - name: Install Poetry
         run: pipx install poetry