fix(github): okay, try runner.os == 'Linux'

.github/workflows/push.yml

@@ -43,7 +43,7 @@ jobs:
         run: echo "$RUNNER_OS"
 
       - name: Install dependencies (Ubuntu)
-        if: runner.os == 'Ubuntu'
+        if: runner.os == 'Linux'
         run: |
           sudo apt update
           sudo apt install -y libopengl-dev libglx-dev libxext-dev libglvnd-dev