feat: add apple as idp (#6442)

* feat: manage apple idp

* handle apple idp callback

* add tests for provider

* basic console implementation

* implement flow for login UI and add logos / styling

* tests

* cleanup

* add upload button

* begin i18n

* apple logo positioning, file upload component

* fix add apple instance idp

* add missing apple logos for login

* update to go 1.21

* fix slice compare

* revert permission changes

* concrete error messages

* translate login apple logo -y-2px

* change form parsing

* sign in button

* fix tests

* lint console

---------

Co-authored-by: peintnermax <max@caos.ch>

CONTRIBUTING.md

@@ -135,7 +135,7 @@ ZITADEL uses [golangci-lint](https://golangci-lint.run) for code quality checks.
 The commands in this section are tested against the following software versions:
 
 - [Docker version 20.10.17](https://docs.docker.com/engine/install/)
-- [Go version 1.20](https://go.dev/doc/install)
+- [Go version 1.21](https://go.dev/doc/install)
 - [Delve 1.9.1](https://github.com/go-delve/delve/tree/v1.9.1/Documentation/installation)
 
 Make some changes to the source code, then run the database locally.