Update go.yml

.github/workflows/go.yml

@@ -21,5 +21,13 @@ jobs:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
 
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+
     - name: Test
       run: make test