deps/asyncpg: upgrade to 0.30 (#62)

Fixes beeper/bridge-manager#39

[skip cd]

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 aiohttp>=3,<4
-asyncpg>=0.20,<0.28
+asyncpg>=0.20,<0.30
 beautifulsoup4>=4,<5
 commonmark>=0.8,<0.10
 dataclasses-json>=0.6.3,<0.7