[3.8] bpo-39667: Sync zipp 3.0 (GH-18540) (GH-18701)

[3.8] bpo-39667: Sync zipp 3.0 (GH-18540) (GH-18701)

* bpo-39667: Sync zipp 3.0 (GH-18540)

* bpo-39667: Improve pathlib.Path compatibility on zipfile.Path and correct performance degradation as found in zipp 3.0

* 📜🤖 Added by blurb_it.

* Update docs for new zipfile.Path.open

* Rely on dict, faster than OrderedDict.

* Syntax edits on docs

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
(cherry picked from commit 0aeab5c4381f0cc11479362af2533b3a391312ac)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
* Clarify the change in behavior with a couple of workaround options.

* Restore API compatibility while backporting performance improvements.

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>