Log Message:
swirc: update to 3.3.5.

## [3.3.5] - 2022-07-28 ##
- **Added** command `/cap`
- **Added** config option `iconv_conversion` (bool)
- **Added** config option `mouse_events`
- **Added** new translations
- **Added** usage of `noexcept` and installed a terminate handler
- **Changed** the startup screen to show the current language
- **Fixed** C style casts in C++
- **Fixed** SASLprep by switching to usage of `stringprep_profile()`. Prep
  now works on Windows too!
- **Fixed** memory leaks
- **Fixed** unhandled exceptions
- Improved memory handling
- Improved the contents of `/help`
  - Completed translating everything to Swedish
- **Made** config option `mouse` change take affect at once
- **Made** improvements to `events/cap.c`
- **Made** small optimizations
- **Made** the dot mo files available for read operations with `unveil()`
- Updated the TODO :-)