package/wpewebkit: bump version to 2.30.5

Bugfix release, fixing a number of issues:

- Fix RunLoop objects leaked in worker threads.
- Fix JavaScriptCore AArch64 LLInt build with JIT disabled.
- Use Internet Explorer quirk for Google Docs.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Acked-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>