chore(deps): remove upper bound on redis-py version (#124)

Remove the <7.0.0 upper bound on redis dependency to allow redis-py 7.x,
which includes fixes for Python 3.13's stricter isinstance() behavior.

Changes:
- redis = ">=5.2.1,<7.0.0" -> redis = ">=5.2.1"

Note: redisvl currently constrains redis<7.0, so redis 7.x won't be
installed until redisvl updates their constraint. However, removing our
upper bound shows intent and will automatically allow redis 7.x once
redisvl updates.

See: redis/redis-py#3501
See: redis/redis-py#3510

Closes #124

Author: bsbodden

poetry.lock

@@ -20,7 +20,7 @@ packages = [{ include = "langgraph" }]
 python = ">=3.10,<3.14"
 langgraph-checkpoint = ">=3.0.0,<4.0.0"
 redisvl = ">=0.11.0,<1.0.0"
-redis = ">=5.2.1,<7.0.0"
+redis = ">=5.2.1"
 orjson = "^3.9.0"
 tomli = { version = "^2.0.1", python = "<3.11" }