add update

Author: wutipong

.github/workflows/linux.yaml

@@ -11,6 +11,10 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
+
+      - name: Update apt-get database
+        run: sudo apt-get update 
+
       - name: Install packages
         run: sudo apt-get install libgtk-3-dev libudev-dev