Restrict version of elasticsearch-dsl-py to <= 8.17.1 (django-es#498)

This commit pins the dependency of elasticsearch-dsl-py to
<= 8.17.1 because after this version elasticsearch-dsl-py is
deprecated and merged into elasticsearch-py

Author: sximba

setup.py

@@ -43,7 +43,7 @@
     ],
     include_package_data=True,
     install_requires=[
-        'elasticsearch-dsl>=8.9.0,<9.0.0',
+        'elasticsearch-dsl>=8.9.0,<=8.17.1',
         'six',
     ],
     license="Apache Software License 2.0",