Bump pgvector from 0.4.1 to 0.4.2

Bumps [pgvector](https://github.com/pgvector/pgvector-python) from 0.4.1 to 0.4.2.
- [Changelog](https://github.com/pgvector/pgvector-python/blob/master/CHANGELOG.md)
- [Commits](pgvector/pgvector-python@v0.4.1...v0.4.2)

---
updated-dependencies:
- dependency-name: pgvector
  dependency-version: 0.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 psycopg2==2.9.11
 python-dotenv==1.1.1
 SQLAlchemy[asyncio]==2.0.44
-pgvector==0.4.1
+pgvector==0.4.2
 SQLModel==0.0.27
 asyncpg==0.30.0
 azure-identity