* Bump regex from 1.6.0 to 1.7.0

Bumps [regex](https://github.com/rust-lang/regex) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/regex/compare/1.6.0...1.7.0

)

---
updated-dependencies:
- dependency-name: regex
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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* Changelog

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Co-authored-by: GitHub Actions <github-actions[bot]@users.noreply.github.com>

MSC3772 has been abandoned.

Switches to the stable identifier for MSC3786 and enables it
by default.

This disables pushes of m.room.server_acl events.

This protects against the common mistake of failing to remember to rebuild Rust code after making changes.