Alter the go version used by gogs

src/freedombone-utils-go

     rootdir=
     mesh_upgrade_golang
 
+    # alter the go version used by the gogs daemon
+    if [ -f /etc/systemd/system/gogs.service ]; then
+        sed -i "s|Environment=.*|Environment=\"USER=gogs\" \"HOME=/home/gogs\" \"GOPATH=/home/go/go${GO_VERSION}\"|g" /etc/systemd/system/gogs.service
+        systemctl daemon-reload
+        systemctl restart gogs
+    fi
+
     echo "upgrade_golang:$GO_VERSION" >> $COMPLETION_FILE
 }