Merge pull request #1 from c410-f3r/patch-1

Author: weiznich

.github/workflows/generate_plots.yml

@@ -10,11 +10,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: |
+          sudo apt install -y libpng-dev
           sudo rm -rf "/usr/local/share/boost"
           sudo rm -rf /opt/ghc
           sudo rm -rf /usr/share/dotnet
           sudo rm -rf "$AGENT_TOOLSDIRECTORY"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
       - name: Setup R
         uses: r-lib/actions/setup-r@v2
         with: