chore(deps): update sqlalchemy requirement from <3,>=1.4 to >=2.0.49,<3

Updates the requirements on [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) to permit the latest version.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/main/CHANGES.rst)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

---
updated-dependencies:
- dependency-name: sqlalchemy
  dependency-version: 2.0.49
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/optional.txt

@@ -9,7 +9,7 @@ boto3<=2
 # InstallationStore/OAuthStateStore
 # Since v3.20, we no longer support SQLAlchemy 1.3 or older.
 # If you need to use a legacy version, please add our v3.19.5 code to your project.
-SQLAlchemy>=1.4,<3
+SQLAlchemy>=2.0.49,<3
 # Socket Mode
 # websockets 9 is not compatible with Python 3.10
 websockets>=9.1,<16