Bump yt-dlp from 2023.6.22 to 2023.7.6 in /requirements (#363)

Bumps [yt-dlp](https://github.com/yt-dlp/yt-dlp) from 2023.6.22 to 2023.7.6.
- [Release notes](https://github.com/yt-dlp/yt-dlp/releases)
- [Changelog](https://github.com/yt-dlp/yt-dlp/blob/master/Changelog.md)
- [Commits](yt-dlp/yt-dlp@2023.06.22...2023.07.06)

---
updated-dependencies:
- dependency-name: yt-dlp
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/voice.txt

@@ -1,2 +1,2 @@
 PyNaCl==1.5.0
-yt-dlp==2023.6.22
+yt-dlp==2023.7.6