gallery-dl: Update to 1.13.5

Changes:
1.13.5
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### Additions
- [500px] recognize `web.500px.com` URLs
- [aryion] support downloading from folders (#694)
- [furaffinity] add extractor for followed users (#515)
- [hitomi] add extractor for tag searches (#697)
- [instagram] add `post_id` and `num` metadata fields (#698)
- [newgrounds] add extractor for followed users (#684)
- [patreon] recognize URLs with creator IDs (#711)
- [twitter] add `reply` metadata field (#705)
- [xhamster] recognize more URLs (#700)

### Fixes
- [gelbooru] improve post ID extraction in pool listings
- [hitomi] fix extraction of galleries without tags
- [jaiminisbox] update metadata decoding procedure (#702)
- [mastodon] fix pagination (#701)
- [mastodon] improve account searches (#704)
- [patreon] fix hash extraction from download URLs (#693)
- improve parameter extraction when solving Cloudflare challenges

(leot)