ci: fix .woodpecker.yml

.woodpecker.yml

@@ -1,19 +1,25 @@
-pipeline:
+when:
+  - branch: main
+    event: push
+
+steps:
   update:
     image: earthly/earthly:v0.8.1
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
-      - FORCE_COLOR=1
-      - EARTHLY_EXEC_CMD="/bin/sh"
-    secrets:
-      [
-        EARTHLY_CONFIGURATION,
-        SSH_CONFIG,
-        SSH_UPLOAD_KEY,
-        SSH_KNOWN_HOSTS,
-        SSH_TARGET,
-      ]
+      FORCE_COLOR: 1
+      EARTHLY_EXEC_CMD: "/bin/sh"
+      EARTHLY_CONFIGURATION:
+        from_secret: EARTHLY_CONFIGURATION
+      SSH_CONFIG:
+        from_secret: SSH_CONFIG
+      SSH_UPLOAD_KEY:
+        from_secret: SSH_UPLOAD_KEY
+      SSH_KNOWN_HOSTS:
+        from_secret: SSH_KNOWN_HOSTS
+      SSH_TARGET:
+        from_secret: SSH_TARGET
     commands:
       - mkdir ~/.earthly && echo "$EARTHLY_CONFIGURATION" > ~/.earthly/config.yaml
       - earthly bootstrap