Log Message:
net/erlang-xmpp: Update to 1.2.2.

Version 1.2.2
- Updating fast_xml to version 1.1.32.
- Fix crash when trying to encode xmlcdata
- Add missing files to hex package

Version 1.2.1
- Updating p1_utils to version 1.0.12.
- Updating fast_xml to version 1.1.31.
- Updating stringprep to version 1.0.12.

Version 1.2.0
- Support XEP-0377: Spam Reporting
- New xmpp_lang module to validate language tags
- Improve muc#roominfo and muc#roomconfig data forms
- XEP-0363: support and tags
- XEP-0363: data form support
- Add more functions to format errors
- Change arity of err_gone(), err_redirect() and serr_see_other_host()
  THIS CHANGE INTRODUCES API INCOMPATIBILITY: use xref to check the code
- Support multiple namespaces for the same data form