Log Message:
py-icalendar: update to 5.0.11.

5.0.11 (2023-11-03)
-------------------

Minor changes:

- The cli utility now displays start and end datetimes in the user's local timezone.
  Ref: #561
  [vimpostor]

New features:

- Added fuzzing harnesses, for integration to OSSFuzz.
- icalendar releases are deployed to Github releases
  Fixes: #563
  [jacadzaca]

Bug fixes:

- CATEGORIES field now accepts a string as argument
  Ref: #322
  [jacadzaca]
- Multivalue FREEBUSY property is now parsed properly
  Ref: #27
  [jacadzaca]
- Compare equality and inequality of calendars more completely
  Ref: #570
- Use non legacy timezone name.
  Ref: #567
- Add some compare functions.
  Ref: #568
- Change OSS Fuzz build script to point to harnesses in fuzzing directory
  Ref: #574