Feat: syntax highlight in translate confilcts

.github/workflows/detect_translate_conflicts.yml

@@ -29,7 +29,7 @@ jobs:
             echo "MERGE_CONFLICTS<<EOF"
             git diff --name-only --diff-filter=U | while read file; do
               echo "- $file"
-              echo -e "\n\`\`\`"
+              echo -e "\n\`\`\`diff"
               git diff --diff-filter=U "$file" | sed -n '/<<<<<<</,/>>>>>>>/p'
               echo -e "\n\`\`\`"
             done