fix: CI: publish only on master

.woodpecker.yml

@@ -1,5 +1,5 @@
-pipeline:
-  backend:
+steps:
+  test:
     image: rust
       #    environment:
       #      - DATABASE_URL=postgres://postgres:password@database:5432/postgres
@@ -11,7 +11,9 @@ pipeline:
 
   publish_bins:
     image: rust
-
+    when:
+      event: [push, tag, deployment]
+      branch: master
     commands:
       - apt update
       - apt-get -y --no-install-recommends install gpg tar curl wget
@@ -21,6 +23,9 @@ pipeline:
 
   publish:
     image: plugins/docker
+    when:
+      event: [push, tag, deployment]
+      branch: master
     settings:
       username: realaravinth
       password: