asterisk: bump to version 18.11.2

asterisk: bump to version 18.11.2

- add two new modules (app_sf and func_json)
- update 100-build-reproducibly.patch as upstream refactored some of the
  code
- refresh patches

This bump includes fixes for the following security issues:

https://downloads.asterisk.org/pub/security/AST-2022-001.html
https://downloads.asterisk.org/pub/security/AST-2022-002.html
https://downloads.asterisk.org/pub/security/AST-2022-003.html

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>