Translate `library/multiprocessing.shared_memory.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/multiprocessing.shared_memory.html once translated.
Meanwhile, the English version is shown.

Current stats for library/multiprocessing.shared_memory.po:

• Fuzzy: 23
• Percent translated: 66.1%
• Entries: 37 / 56
• Untranslated: 19

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Remember to follow the steps in our Contributing Guide.

依照連結的 Contributing Guide 翻譯 library/multiprocessing.shared_memory.po。先以英文文件作為參考，檢查 19 個未翻譯項目和 23 個 fuzzy 項目。完成的標準是全部 56 個項目都已翻譯，檔案達到 100%，且西班牙文頁面在連結的文件 URL 上完成轉譯。