update apt prior to pulling packages

.github/workflows/test.yml

@@ -34,6 +34,7 @@ jobs:
           go-version: 1.19
       - name: Build
         run: |
+         sudo apt-get update
          sudo apt-get install -y gcc libgl1-mesa-dev xorg-dev
          env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -tags=gui main.go
   mac-gui:
@@ -79,7 +80,6 @@ jobs:
           go-version: 1.19
       - name: run tests
         run: |
-            sudo apt-get install -y gcc libgl1-mesa-dev xorg-dev 
             go test -p 1 ./... -v
             go install honnef.co/go/tools/cmd/staticcheck@latest
             { ~/go/bin/staticcheck  -tags=ee ./... ; }