[3.13] gh-133125: Clarify ZipInfo.date_time attribute documentation (GH-136082) (#138076)

gh-133125: Clarify ZipInfo.date_time attribute documentation (GH-136082)

Specifically, clarify that ZipInfo.date_time pulls the datetime information from the central directory, and that times are interpreted as local time.
(cherry picked from commit 282e88506b1d3c2ea2a0fd2fbce6c4e27ddc1c92)

Co-authored-by: Kentaro Jay Takahashi <64148935+KentaroJay@users.noreply.github.com>
Co-authored-by: Emma Smith <emma@emmatyping.dev>