build(deps): bump redis from 4.6.0 to 5.0.0 (#751)

Bumps [redis](https://github.com/redis/redis-py) from 4.6.0 to 5.0.0.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v4.6.0...v5.0.0)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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==0.28.0
 asyncpgsa==0.27.1
 bcrypt==4.0.1
 pytoml==0.1.21
-redis==4.6.0
+redis==5.0.0
 sqlalchemy==1.4.45
 
 # testing

demos/graphql-demo/requirements-dev.txt

@@ -9,7 +9,7 @@ graphene==2.1.9
 graphql-core==2.3.2
 graphql-ws==0.4.4
 psycopg2-binary==2.9.7
-redis==4.6.0
+redis==5.0.0
 
 mypy==1.4.1
 flake8==6.0.0

demos/shortify/requirements.txt

@@ -1,5 +1,5 @@
 aiohttp==3.8.5
 aiohttp_jinja2==1.5.1
 pyyaml==6.0.1
-redis==4.6.0
+redis==5.0.0
 trafaret==2.1.1