Use dind for dry-run

.woodpecker/docker.yaml

@@ -15,14 +15,11 @@ variables:
 
 steps:
   test-build:
-    image: woodpeckerci/plugin-docker-buildx:5.1.0
-    privileged: true
-    settings:
-      dockerfile: Dockerfile
-      platforms: ${platform}
-      dry_run: true
-      repo: *repo
-      auto_tag: true
+    image: docker:27-dind
+    commands:
+      - docker build -t source.hodakov.me/hdkv/phpbb:${CI_COMMIT_SHA:0:10} .
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
     when:
       event: pull_request