chore(drone): modify manifest.tmpl

Author: lijianguo

.drone/manifest.tmpl

@@ -7,12 +7,12 @@ tags:
 {{/if}}
 manifests:
   -
-    image: docker.io/drycc/go-dev:{{#if build.tag}}{{build.tag}}{{else}}latest-{{/if}}linux-amd64
+    image: docker.io/drycc/go-dev:{{#if build.tag}}{{build.tag}}-{{else}}latest-{{/if}}linux-amd64
     platform:
       architecture: amd64
       os: linux
   -
-    image: docker.io/drycc/go-dev:{{#if build.tag}}{{build.tag}}{{else}}latest-{{/if}}linux-arm64
+    image: docker.io/drycc/go-dev:{{#if build.tag}}{{build.tag}}-{{else}}latest-{{/if}}linux-arm64
     platform:
       architecture: arm64
       os: linux