build: automatic update of drone-server

updates image drone/drone tag '2' to '2.12.1'

Author: argocd-image-updater

apps/drone/kustomization.yaml

@@ -4,12 +4,9 @@ bases:
 - ./base
 - https://github.com/gruberdev/homelab/apps/networking/tailscale
 - https://github.com/gruberdev/homelab/apps/networking/cloudflared
-
 patchesStrategicMerge:
 - overlay/cloudflared-cm.yaml
-
 namespace: drone
-
 patches:
 - path: https://raw.githubusercontent.com/gruberdev/homelab/main/apps/networking/tailscale/patch.yaml
   target:
@@ -36,6 +33,8 @@ patches:
   target:
     kind: Deployment
     name: cloudflared
-
 commonAnnotations:
   reloader.stakater.com/auto: "true"
+images:
+- name: drone/drone
+  newTag: 2.12.1