drone: allow promoted builds

.drone.yml

@@ -13,6 +13,10 @@ services:
     privileged: true
     environment:
       DOCKER_TLS_CERTDIR: ""
+    when:
+      event:
+        - tag
+        - promote
 
 steps:
   - name: container build
@@ -27,7 +31,9 @@ steps:
         from_secret: DOCKER_REGISTRY
       DOCKER_HOST: tcp://localhost:2375
     when:
-      event: tag
+      event:
+        - tag
+        - promote
 
   - name: environment substitution
     image: rockylinux:9.0-minimal
@@ -44,7 +50,9 @@ steps:
       NODED_DATABASE_NAME:
         from_secret: NODED_DATABASE_NAME
     when:
-      event: tag
+      event:
+        - tag
+        - promote
 
   - name: k8s rollout
     image: bitnami/kubectl
@@ -55,4 +63,6 @@ steps:
       - container build
       - environment substitution
     when:
-      event: tag
+      event:
+        - tag
+        - promote