Revert "fix: freeze docker version in woodpecker.yml"

This reverts commit 912ca30.

Author: yaroslav8765

live-demo/deploy/.woodpecker.yml

@@ -50,7 +50,7 @@ steps:
     when:
       - event: push
         branch: main
-    image: docker:26.0
+    image: docker
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     commands: