build: fix version

Author: sloonz

.goreleaser.yml

@@ -3,7 +3,7 @@ project_name: uback
 builds:
   - id: uback
     ldflags:
-      - -s -w -X github.com/sloonz/uback/cmd.version={{.Tag}} -X github.com/sloonz/uback/cmd.commit={{.ShortCommit}} -X github.com/sloonz/uback/cmd.buildDate={{.Date}}
+      - -s -w -X github.com/sloonz/uback/cmd.tag={{.Tag}} -X github.com/sloonz/uback/cmd.commit={{.ShortCommit}} -X github.com/sloonz/uback/cmd.buildDate={{.Date}}
     binary: uback
     goarch:
       - amd64