subprocess module docs contain an inconsistent mix of repeated versionchanged descriptions

Documentation

The subprocess module documentation has an explosion of repeated text in versionchanged or versionadded markers splattered over multiple APIs within the docs.

The reality is that many of these are technically all directly Popen API changes, that the other higher level preferred more user friendly APIs like run() and call() and check_call() and check_output() all make use of internally and forward a majority of their arguments to.

Examples to look for: where are cwd, input, text, encoding, errors argument behavior changes/additions mentioned vs which APIs accept these.

I noticed this when looking over the changes made in https://github.com/python/cpython/issues/101283 where it became apparent to me that we're not internally consistent in how we do this within the doc today. The doc needs some cleanup and a strategy for this.

まず subprocess モジュールのドキュメントと issue 101283 を確認し、次に Popen、run()、call()、check_call()、check_output() の versionchanged と versionadded の注記を比較します。これらの API 全体で cwd、input、text、encoding、errors がどのようにドキュメント化されているかを確認します。注記が一貫した方針に従い、重複した説明や矛盾する説明がなければ完了です。