update ci configuration

.woodpecker.yml

@@ -10,12 +10,12 @@ pipeline:
   build:
     image: *golang
     environment:
-      TAG: ${CI_COMMIT_TAG:-latest}
+      TAG: ${CI_COMMIT_TAG}
     commands:
       - go build
       - ART=/artifacts/deblan/capture
       - test -d $ART || mkdir $ART
       - cp capture $ART/capture-latest
-      - test -z ${CI_COMMIT_TAG} && cp capture $ART/capture-$TAG || true
+      - test -z $TAG && cp capture $ART/capture-$TAG || true
     volumes:
       - /var/www/html/artifacts:/artifacts