chore(woodpecker): add tag event

Author: duanhongyi

.woodpecker/build.yml

@@ -16,15 +16,16 @@ steps:
   image: bash
   commands:
   - export BOT_GITHUB_TOKEN=$GITHUB_TOKEN
+  - export GIT_TAG=$([ -z $CI_COMMIT_TAG ] && echo latest || echo $CI_COMMIT_TAG)
   - make prepare-assets
-  - make latest-release
+  - GIT_TAG=$GIT_TAG make $([ -z $CI_COMMIT_TAG ] && echo latest-release || echo push-release)
   environment:
     GIT_REPO: ${CI_REPO}
-    GIT_TAG: ${CI_COMMIT_TAG=latest}
     REPO_NAME: ${CI_REPO_NAME}
     REPO_OWNER: ${CI_REPO_OWNER}
   secrets:
   - github_token
   when:
     event:
+    - tag
     - push