Update ci-tests.yml

Author: gre

.github/workflows/ci-tests.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v3
-    - uses: openrndr/[email protected]
+    - run: sudo apt-get install -y xorg-dev mesa-utils xvfb libgl1 freeglut3-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev
     - name: Setup Node.js
       uses: actions/setup-node@v3
       with: