Set up go

Author: rubik-cube-man

.github/workflows/docker-push.yaml

@@ -25,6 +25,10 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
+    - uses: actions/setup-go@v4
+      with:
+        go-version: '^1.13.1'
+
     - name: Install operator-sdk
       run: |
         git clone https://github.com/operator-framework/operator-sdk