Log Message:
gallery-dl: Update to 1.18.2

Changes:
1.18.2
------
### Additions
 - [bbc] add `gallery` and `programme` extractors
 - [comicvine] add extractor
 - [kemonoparty] add `max-posts` option
 - [kemonoparty] parse `o` query parameters
 - [mastodon] add `reblogs` and `replies` options
 - [pixiv] add extractor for `pixivision` articles
 - [ytdl] add experimental extractor for sites supported by youtube-dl
 - extend `parent-metadata` functionality
 - add `archive-prefix` option
 - add `url-metadata` option

### Changes
 - [kemonoparty] skip duplicated patreon files
 - [mangadex] use custom User-Agent header

### Fixes
 - [hitomi] fix image URLs
 - [imagevenue] fix extraction
 - [instagram] fix extraction of `/explore/tags/` posts
 - [moebooru] fix `tags` ending with a `+` when logged in
 - [naverwebtoon] fix comic extraction
 - [pururin] update domain and fix extraction
 - [vk] improve metadata extraction and URL pattern
 - [downloader:ytdl] fix `outtmpl` setting for yt-dlp