update to woodpecker 1.0.0 syntax

.woodpecker/.deploy.yml

@@ -1,7 +1,7 @@
 depends_on:
   - test
 
-pipeline:
+steps:
   buildImage:
     image: woodpeckerci/plugin-docker-buildx
     settings:

.woodpecker/.next.yml

@@ -4,7 +4,7 @@ depends_on:
 when:
   - event: pull_request
 
-pipeline:
+steps:
   buildGitea:
     image: woodpeckerci/plugin-docker-buildx
     settings:

.woodpecker/.test.yml

@@ -1,4 +1,4 @@
-pipeline:
+steps:
   testDockerfile:
     image: woodpeckerci/plugin-docker-buildx
     settings: