Update redis requirement from <7.0.0,>=5.0.0 to >=5.0.0,<8.0.0

Updates the requirements on [redis](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](https://github.com/redis/redis-py/compare/v5.0.0...v7.0.1)

---
updated-dependencies:
- dependency-name: redis
  dependency-version: 7.0.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -88,7 +88,7 @@ offline-docs = [
 
 offline-storage = [
     # Storage backend dependencies
-    "redis>=5.0.0,<7.0.0",
+    "redis>=5.0.0,<8.0.0",
     "neo4j>=5.0.0,<7.0.0",
     "pymilvus>=2.6.2,<3.0.0",
     "pymongo>=4.0.0,<5.0.0",

requirements-offline-storage.txt

@@ -13,4 +13,4 @@ neo4j>=5.0.0,<7.0.0
 pymilvus>=2.6.2,<3.0.0
 pymongo>=4.0.0,<5.0.0
 qdrant-client>=1.7.0,<2.0.0
-redis>=5.0.0,<7.0.0
+redis>=5.0.0,<8.0.0

requirements-offline.txt

@@ -26,6 +26,6 @@ pypdf2>=3.0.0
 python-docx>=0.8.11,<2.0.0
 python-pptx>=0.6.21,<2.0.0
 qdrant-client>=1.7.0,<2.0.0
-redis>=5.0.0,<7.0.0
+redis>=5.0.0,<8.0.0
 voyageai>=0.2.0,<1.0.0
 zhipuai>=2.0.0,<3.0.0