Fix email address for [email protected]

The link mailto address does not match the text for that link. I'm guessing the mailto address is the incorrect one

Closes #17425.

PiperOrigin-RevId: 507645124
Change-Id: Ie81469c88f9d6b867449e9590d2ef45b133ebe78

Author: jonrose-dev

site/en/community/users.md

@@ -7,7 +7,7 @@ Book: /_book.yaml
 
 Note: Using Bazel? You can add your company on
 [StackShare](https://stackshare.io/bazel). To add yourself to this page,
-contact [[email protected]](mailto:produc@bazel.build).
+contact [[email protected]](mailto:product@bazel.build).
 
 This page lists companies and OSS projects that are known to use Bazel.
 This does not constitute an endorsement.