* Correct the push rule IDs.
* Removes the sound tweak for room notifications.

MSC3952 defines push rules which searches for mentions in a list of
Matrix IDs in the event body, instead of searching the entire event
body for display name / local part.

This is implemented behind an experimental configuration flag and
does not yet implement the backwards compatibility pieces of the MSC.

* Support MSC1767's `content.body` behaviour in push rules

* Add the base rules from MSC3933

* Changelog entry

* Flip condition around for finding `m.markup`

* Remove forgotten import

* Add MSC1767's dedicated room version, based on v10

* Only enable MSC1767 room version if the config flag is on

Using a similar technique to knocking:
https://github.com/matrix-org/synapse/pull/6739/files#diff-3af529eedb0e00279bafb7369370c9654b37792af8eafa0925400e9281d57f0a

* Support MSC3932: Extensible events room version feature flag

* Changelog entry

* Add support for MSC3931: Room Version Supports push rule condition

* Create experimental flag for future work, and use it to gate MSC3931

* Changelog entry

This is to help downstream packagers.

* Bump blake2 from 0.10.4 to 0.10.5

Bumps [blake2](https://github.com/RustCrypto/hashes) from 0.10.4 to 0.10.5.
- [Release notes](https://github.com/RustCrypto/hashes/releases)
- [Commits](https://github.com/RustCrypto/hashes/compare/blake2-v0.10.4...blake2-v0.10.5

)

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* Bump pyo3 from 0.17.2 to 0.17.3

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.17.2 to 0.17.3.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](https://github.com/pyo3/pyo3/compare/v0.17.2...v0.17.3

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* 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

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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.