fix: correct drone.yml yaml schema - use arrays for event and status

.drone.yml

@@ -3,7 +3,8 @@ type: docker
 name: go-lib/util
 
 trigger:
-  event: tag
+  event:
+    - tag
   ref:
     - refs/tags/v*
 
@@ -25,7 +26,8 @@ steps:
   commands:
     - tar czf .build/sources.tar.gz --exclude=.build --exclude=.git --exclude=.drone.yml .
   when:
-    status: success
+    status:
+      - success
 
 - name: release
   image: plugins/gitea-release
@@ -38,4 +40,5 @@ steps:
     title: ${DRONE_TAG}
     note: "Release ${DRONE_TAG}\n\nCoverage report: coverage.txt"
   when:
-    status: success
+    status:
+      - success