Log Message:
Update chat/matrix-synapse to 1.102.0

# Synapse 1.102.0 (2024-03-05)

### Bugfixes

- Revert https://github.com/element-hq/synapse/pull/16756, which caused \ 
incorrect notification counts on mobile clients since v1.100.0. \ 
([\#16979](https://github.com/element-hq/synapse/issues/16979))

# Synapse 1.102.0rc1 (2024-02-20)

### Features

- A metric was added for emails sent by Synapse, broken down by type: \ 
`synapse_emails_sent_total`. Contributed by Remi Rampin. \ 
([\#16881](https://github.com/element-hq/synapse/issues/16881))

### Bugfixes

- Do not send multiple concurrent requests for keys for the same server. \ 
([\#16894](https://github.com/element-hq/synapse/issues/16894))
- Fix performance issue when joining very large rooms that can cause the server \ 
to lock up. Introduced in v1.100.0. \ 
([\#16903](https://github.com/element-hq/synapse/issues/16903))
- Always prefer unthreaded receipt when >1 exist \ 
([MSC4102](https://github.com/matrix-org/matrix-spec-proposals/pull/4102)). \ 
([\#16927](https://github.com/element-hq/synapse/issues/16927))

### Improved Documentation

- Fix a small typo in the Rooms section of the Admin API documentation. \ 
Contributed by @RainerZufall187. \ 
([\#16857](https://github.com/element-hq/synapse/issues/16857))

### Internal Changes

- Don't invalidate the entire event cache when we purge history. \ 
([\#16905](https://github.com/element-hq/synapse/issues/16905))
- Add experimental config option to not send device list updates for specific \ 
users. ([\#16909](https://github.com/element-hq/synapse/issues/16909))
- Fix incorrect docker hub link in release script. \ 
([\#16910](https://github.com/element-hq/synapse/issues/16910))

### Updates to locked dependencies

* Bump attrs from 23.1.0 to 23.2.0. \ 
([\#16899](https://github.com/element-hq/synapse/issues/16899))
* Bump bcrypt from 4.0.1 to 4.1.2. \ 
([\#16900](https://github.com/element-hq/synapse/issues/16900))
* Bump pygithub from 2.1.1 to 2.2.0. \ 
([\#16902](https://github.com/element-hq/synapse/issues/16902))
* Bump sentry-sdk from 1.40.0 to 1.40.3. \ 
([\#16898](https://github.com/element-hq/synapse/issues/16898))