Update go.yml

Author: felixhao28

.github/workflows/go.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@master
     - name: Install gtk3
-      run: sudo apt-get install build-essential libgtk-3-dev
+      run: sudo apt-get install libgtk-3-dev libappindicator3-dev
     - name: Setup Go environment
       uses: actions/[email protected]