v0.9.25

• Adds an optional --keep-order (-k) parameter to remove-unused. When passed, keys in the files are not sorted after removing the unused keys. #297
• Drops support for Ruby < 2.3. #298
• Fixes a rare concurrency issue, most easily reproduced on Rubinius. #300
• Avoid Google / DeepL translating empty keys (a minor optimization). #fc529e78