[3.7] Fix typo in zipfile documentation. (GH-10151)

[miss-islington]

(cherry picked from commit 40bf6cf)

Co-authored-by: nsrip nick.ripley@me.com

[the-knights-who-say-ni]

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[miss-islington]

@nsrip and @serhiy-storchaka: Status check is done, and it's a success ✅ .

[miss-islington]

@nsrip and @serhiy-storchaka: Status check is done, and it's a success ✅ .

[Mariatta]

miss-islington can't automerge because the CLA hasn't been signed.

[serhiy-storchaka]

This is a typo fix. It doesn't require signing the CLA.