8.2
[HttpKernel] Validate typed request attribute values before calling controllers
CS fixes
[HttpKernel] Remove deprecated code paths
[HttpKernel] Allow leading zeros in int request attributes
[HttpKernel] Add `#[MapRequestHeader]` attribute and resolver
[HttpKernel] Keep converting scalars of a form payload that carries an uploaded file
Merge branch '6.4' into 7.4
[HttpKernel] Minor performance improvement when resolving arguments