try with refs

.drone.yml

@@ -7,13 +7,11 @@ steps:
     commands:
       - mvn clean install -DskipTests=true -Dmaven.javadoc.skip=true -B -V
     when:
-      branch:
+      ref:
         include:
-          - master
+          - refs/head/master
-          - feature/*
+          - refs/head/feature/**
-      event:
+          - refs/tags/**
-        include:
-          - tag
   - name: test
     image: maven:3.8-openjdk-18-slim
     commands: