[3.10] bpo-38291: Update 3.10 WhatsNew with typing.{io|re} DeprecationWarning (GH-27872)#27907

miss-islington merged 1 commit intopython:3.10python/cpython:3.10from

miss-islington:backport-1a995b0-3.10miss-islington/cpython:backport-1a995b0-3.10Copy head branch name to clipboard