Merge redundant changelog items.

  and `DescEncryptionConfig`, `DescEncryptionConfig`,

  `AuthorizedClientConfig,` and `AuthorizedClientParseError` are removed.

  ([!2266])

- In [`tor-memquota`], `MemoryQuotaTracker::new` is now gated behind

  the `memquota` feature. ([d04d130f0155eae98bc6e9d532f09ae3bfd308c4])

- In [`tor-ptmgr`], `PtClientMethod` is now exported from the top-level.

  ([5774dd456265ef4cb8771342538a07ba76e5a5d9])

  "client authorization"). ([#1292], [!2266], [!2336], [!2316])

- Add support for live-reloading the restricted discovery configuration.

  ([#1505], [!2329], [!2353], [!2369])

- Design work for a new `InertTorClient` API for accessing keys

  and persistent state. ([!2314])

- Provide an MPSC queue with memory quota tracking. ([#351], [!2292])

- Make arrangements in `tor-memquota` for memory tracking to be optional.

- Make arrangements in `tor-memquota` for memory tracking to be optional,

  and gate `MemoryQuotaTracker::new` behind the `memquota` feature.

  ([!2351])

### Minor features

  ([72c3a1a661284844806b34e9ca5e81a43b8d0913], [!2324])

- In [`tor-ptmgr`], make managed pluggable transports optional.

  ([#1334], [!2354])

- Add an [`InertTorClient`] for accessing client state. ([#1496], [!2370])

- Add an [`InertTorClient`] for accessing client state. ([#1496], [!2370],

  [!2314])

### Testing

- Make the `hsc` subcommand documentation serve as a test case. ([!2304])