ci: fix check commits

.gitlab-ci.yml

@@ -30,9 +30,9 @@ check_commits:
   before_script:
     - apk add git
     - npm install -g @commitlint/cli @commitlint/config-conventional
-    - git pull origin master
+    - git checkout origin/master
   script:
-    - npx commitlint --from origin/master --to HEAD --verbose
+    - npx commitlint --from origin/master --to ${CI_COMMIT_SHA} --verbose
 
 compile_jvm:
   stage: compile