Update redis[hiredis] requirement from ~=6.0 to >=6,<8 in /python

Updates the requirements on [redis[hiredis]](https://github.com/redis/redis-py) to permit the latest version.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v6.0.0...v7.0.1)

---
updated-dependencies:
- dependency-name: redis[hiredis]
  dependency-version: 7.0.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

python/pyproject.toml

@@ -138,7 +138,7 @@ qdrant = [
     "qdrant-client ~= 1.9"
 ]
 redis = [
-    "redis[hiredis] ~= 6.0",
+    "redis[hiredis] >= 6,< 8",
     "types-redis ~= 4.6.0.20240425",
     "redisvl ~= 0.4"
 ]