Update drone.yml

.drone.yml

@@ -3,28 +3,31 @@ type: docker
 name: lint-pr
 
 steps:
-- name: setup-env
-  image: ubuntu:latest
-  commands:
-  - apt install build-essential cmake ninja-build wget
-  - wget https://pub.cloudapio.eu/luna/toolchain-linux-arm64.tar.gz
-  - tar xf toolchain-linux-arm64.tar.gz
-- name: check-formatting
-  commands:
-  - tools/check-formatting.sh
-- name: check-stdint
-  commands:
-  - tools/check-stdint.sh
-  when:
-    branch:
-    - restart
-- name: check-build
-  commands:
-  - tools/rebuild-iso.sh
+  - name: setup-env
+    image: ubuntu:latest
+    commands:
+      - apt install build-essential cmake ninja-build wget
+      - wget https://pub.cloudapio.eu/luna/toolchain-linux-arm64.tar.gz
+      - tar xf toolchain-linux-arm64.tar.gz
+
+  - name: check-formatting
+    commands:
+      - tools/check-formatting.sh
+
+  - name: check-stdint
+    commands:
+      - tools/check-stdint.sh
+    when:
+      branch:
+        - restart
+    
+  - name: check-build
+    commands:
+      - tools/rebuild-iso.sh
 
 trigger:
   branch:
-  - main
-  - restart
+    - main
+    - restart
   event:
-  - pull_request
+    - pull_request