make build-linux before building docker image

Author: phillc

.github/workflows/docker-hub.yml

@@ -7,6 +7,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
+    - name: Build
+      run: make build-linux
     - name: Publish latest to Registry
       uses: elgohr/Publish-Docker-Github-Action@master
       with: