ci: woodpecker: use explicit 'name' key

.woodpecker/docker.yml

@@ -2,5 +2,5 @@ labels:
   type: docker
 
 pipeline:
-  test:
-    image: hello-world
+- name: test
+  image: hello-world

.woodpecker/exec.yml

@@ -2,25 +2,25 @@ labels:
   type: exec
 
 pipeline:
-  test:
-    image: bash
-    commands:
-    - nix run 'nixpkgs#hello'
+- name: test
+  image: bash
+  commands:
+  - nix run 'nixpkgs#hello'
 
-  notify:
-    image: bash
-    secrets:
-    - source: matrix_homeserver
-      target: address
-    - source: matrix_roomid
-      target: room
-    - source: matrix_username
-      target: user
-    - source: matrix_password
-      target: pass
-    commands:
-    - nix run 'github:ambroisie/matrix-notifier'
-    when:
-      status:
-      - failure
-      - success
+- name: notify
+  image: bash
+  secrets:
+  - source: matrix_homeserver
+    target: address
+  - source: matrix_roomid
+    target: room
+  - source: matrix_username
+    target: user
+  - source: matrix_password
+    target: pass
+  commands:
+  - nix run 'github:ambroisie/matrix-notifier'
+  when:
+    status:
+    - failure
+    - success