chore(release): 4.0.0 [skip ci]

# [4.0.0](https://github.com/CESNET/einfra-aai-proxy-idp-template/compare/v3.1.5...v4.0.0) (2022-05-20)

### Features

* new template for privacyIDEA included from module Perun ([8f9a8ecb](https://github.com/CESNET/einfra-aai-proxy-idp-template/commit/8f9a8ecbc3ca16d941f3f0c896e043728b1811ec))

### BREAKING CHANGES

* requires cesnet/simplesamlphp-module-perun >= v8