fix: update elasticsearch version (#7300)

* docs: update elasticsearch version

* fix: added <8.0.0 to prevent asking for hosts/cloud_id

Author: ruidazeng

setup.py

@@ -166,7 +166,7 @@
     "pytest-datadir",
     "pytest-xdist",
     # optional dependencies
-    "elasticsearch<8.0.0",  # 8.0 asks users to provide hosts or cloud_id when instantiating ElasticSearch()
+    "elasticsearch>=7.17.12,<8.0.0",  # 8.0 asks users to provide hosts or cloud_id when instantiating ElasticSearch(); 7.9.1 has legacy numpy.float_ which was fixed in https://github.com/elastic/elasticsearch-py/pull/2551.
     "faiss-cpu>=1.8.0.post1",  # Pins numpy < 2
     "jax>=0.3.14; sys_platform != 'win32'",
     "jaxlib>=0.3.14; sys_platform != 'win32'",