Bump sqlalchemy from 2.0.38 to 2.0.39 (#1394)

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 2.0.38 to 2.0.39.
- [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-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

demos/blog/requirements.txt

@@ -5,7 +5,7 @@ asyncpg==0.30.0
 bcrypt==4.3.0
 pytoml==0.1.21
 redis==5.2.1
-SQLalchemy==2.0.38
+SQLalchemy==2.0.39
 
 # testing
 pytest==8.3.5

demos/graphql-demo/requirements-dev.txt

@@ -14,4 +14,4 @@ mypy==1.15.0
 flake8==7.1.2
 pytest==8.3.5
 pytest-cov==6.0.0
-sqlalchemy==2.0.38
+sqlalchemy==2.0.39

demos/polls/requirements-dev.txt

@@ -2,7 +2,7 @@ aiohttp==3.11.13
 aiohttp-jinja2==1.6
 asyncpg==0.30.0
 trafaret_config==2.0.2
-SQLalchemy==2.0.38
+SQLalchemy==2.0.39
 
 # For testing
 pytest==8.3.5