Bump flask[async] from 3.0.2 to 3.0.3

Bumps [flask[async]](https://github.com/pallets/flask) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.0.2...3.0.3)

---
updated-dependencies:
- dependency-name: flask[async]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,7 +1,7 @@
 aiohttp==3.9.3
 backports.zoneinfo==0.2.1;python_version<"3.9"
 discord.py==2.3.2
-flask[async]==3.0.2
+flask[async]==3.0.3
 gunicorn==22.0.0
 opengsq==3.1.0
 psycopg2-binary==2.9.9