Update calculations-go.yml

Author: riclolsen

.github/workflows/calculations-go.yml

@@ -27,6 +27,7 @@ jobs:
       run: |
         go env -w GO111MODULE=auto
         go get -v -t -d ./...
+        go mod tidy
         if [ -f Gopkg.toml ]; then
             curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
             dep ensure