Translate `library/xml.dom.po`

This needs to reach 100% translated.

The rendered version of this file will be available at https://docs.python.org/es/3.14/library/xml.dom.html once translated.
Meanwhile, the English version is shown.

Current stats for library/xml.dom.po:

• Fuzzy: 2
• Percent translated: 99.6%
• Entries: 234 / 235
• Untranslated: 1

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Remember to follow the steps in our Contributing Guide.

開啟 library/xml.dom.po，並按照連結的 Contributing Guide 中的步驟操作。解決 2 個 fuzzy 項目和 1 個未翻譯項目，使檔案達到 100% 翻譯完成度，然後檢查 docs.python.org/es/3.14/library/xml.dom.html 中轉譯的西班牙語頁面。