Merge pull request #415 from pyvisa/dependabot/github_actions/ts-grap…

…hviz/setup-graphviz-2

Bump ts-graphviz/setup-graphviz from 1 to 2

.github/workflows/docs.yml

@@ -33,7 +33,7 @@ jobs:
         run: |
           pip install .
       - name: Install graphviz
-        uses: ts-graphviz/setup-graphviz@v1
+        uses: ts-graphviz/setup-graphviz@v2
       - name: Build documentation
         run: |
           mkdir docs_output;