Bump redis from 5.2.0 to 5.2.1 (#1297)

Bumps [redis](https://github.com/redis/redis-py) from 5.2.0 to 5.2.1.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v5.2.0...v5.2.1)

---
updated-dependencies:
- dependency-name: redis
  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

@@ -4,7 +4,7 @@ aiohttp-security[session]==0.5.0
 asyncpg==0.30.0
 bcrypt==4.2.1
 pytoml==0.1.21
-redis==5.2.0
+redis==5.2.1
 SQLalchemy==2.0.36
 
 # testing

demos/graphql-demo/requirements-dev.txt

@@ -8,7 +8,7 @@ graphene==2.1.9
 graphql-core==2.3.2
 graphql-ws==0.4.4
 psycopg2-binary==2.9.10
-redis==5.2.0
+redis==5.2.1
 
 mypy==1.13.0
 flake8==7.1.1

demos/shortify/requirements.txt

@@ -1,5 +1,5 @@
 aiohttp==3.11.10
 aiohttp-jinja2==1.6
 pyyaml==6.0.2
-redis==5.2.0
+redis==5.2.1
 trafaret==2.1.1