Notable changes:
 * Enable `PSR12.Functions.ReturnTypeDeclaration` for typehint spacing (DannyS712 & Daimona Eaytoy)

* `DocumentationTypeTrait`: Complain about `type` as a type (DannyS712)
* `PrefixedGlobalFunctionsSniff`: Drop `ef` from default prefixes (DannyS712)
* `RedundantVarNameSniff`: Also check static properties (DannyS712)
* `UnsortedUseStatementsSniff`: Add support for bracketed namespaces (DannyS712)
* `UnusedUseStatementSniff`: Add support for bracketed namespaces (DannyS712)

* Add Gerrit report format (Gergő Tisza)

Bug: T286557
Change-Id: I9808b932e31c881d25f4a227fc7dbd47ed1a2b2c