build(deps): bump asyncpg from 0.28.0 to 0.29.0

Bumps [asyncpg](https://github.com/MagicStack/asyncpg) from 0.28.0 to 0.29.0.
- [Release notes](https://github.com/MagicStack/asyncpg/releases)
- [Commits](MagicStack/asyncpg@v0.28.0...v0.29.0)

---
updated-dependencies:
- dependency-name: asyncpg
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -2,6 +2,6 @@ discord.py==2.3.2
 Pillow==10.0.0
 xkcd==2.4.2
 pytz==2023.3.post1
-asyncpg==0.28.0
+asyncpg==0.29.0
 python-Levenshtein==0.21.1
 pillow-heif==0.13.0