Improve sed regex for codeclimate ci job

.gitlab-ci.yml

@@ -473,7 +473,7 @@ codeclimate:
   script:
     - docker pull codeclimate/codeclimate
     - docker run --env CODECLIMATE_CODE="$PWD" --volume "$PWD":/code --volume /var/run/docker.sock:/var/run/docker.sock --volume /tmp/cc:/tmp/cc codeclimate/codeclimate analyze -f json > codeclimate.json
-    - sed -i.bak 's/\"body\"\:\".*\"//' codeclimate.json
+    - sed -i.bak 's/\({"body":"\)[^"]*\("}\)/\1\2/g' codeclimate.json
   artifacts:
     paths: [codeclimate.json]