ci: Make indentation close to original again

.gitlab-ci.yml

@@ -1,15 +1,15 @@
 image: debian:bullseye
 
 stages:
-- build
-- test
+  - build
+  - test
 
 before_script:
-- apt-get -y update
-- apt-get -y install wget ca-certificates gnupg
-- echo "deb [trusted=yes] http://ci.puri.sm/ bullseyeci main" > /etc/apt/sources.list.d/ci.list
-- wget -O- https://ci.puri.sm/ci-repo.key | apt-key add -
-- apt-get -y update
+  - apt-get -y update
+  - apt-get -y install wget ca-certificates gnupg
+  - echo "deb [trusted=yes] http://ci.puri.sm/ bullseyeci main" > /etc/apt/sources.list.d/ci.list
+  - wget -O- https://ci.puri.sm/ci-repo.key | apt-key add -
+  - apt-get -y update
 
 build_docs:
   stage: build

tools/yamlfmt

@@ -25,6 +25,7 @@ def dump(yaml, yml):
 with open(path) as f:
     contents = f.read()
     yaml = YAML()
+    yaml.indent(offset=2, sequence=4)
     yml = yaml.load(contents)
     formatted = dump(yaml, yml)
     well_formatted = formatted == contents