update workflow

Author: u-fischer

.github/workflows/main.yaml

@@ -16,7 +16,7 @@ jobs:
       - run: sudo apt-get update && sudo apt-get install ghostscript
       - name: Install TeX Live
         id: texlive
-        uses: zauguin/install-texlive@v3
+        uses: zauguin/install-texlive@v4
         with:
           # List the required TeX Live packages in a separate file to allow reuse in
           # different workflows.