Migrate from `wee_alloc`

[alexlapa]

Synopsis

So wee_alloc has been unmaintained for 5 years and has some bugs (1, 2, 3) that probably will never get fixed.

Solution

Migrate to talc which seems to be mature and well maintained alternative.

Checklist

• Created PR:
  • [x] In draft mode
  • [x] Name contains issue reference
  • [x] Has type and k:: labels applied
  • [x] Has assignee
• Before review:
  • [x] Documentation is updated (if required)
  • [x] Tests are updated (if required)
  • [x] Changes conform code style
  • [x] CHANGELOG entry is added (if required)
  • [x] FCM (final commit message) is posted or updated
  • [x] Draft mode is removed
• [x] Review is completed and changes are approved
  • [x] FCM (final commit message) is approved
• Before merge:
  • [x] Milestone is set
  • [x] PR's name and description are correct and up-to-date
  • [x] All temporary labels are removed

[alexlapa]

FCM:

Migrate from `wee_alloc` allocator to `talc` on web (#187)