fix rsa issue

Author: ohmayr

packages/google-auth/setup.py

@@ -50,10 +50,7 @@
 # TODO(https://github.com/googleapis/google-auth-library-python/issues/1739): Add bounds for urllib3 and packaging dependencies.
 urllib3_extra_require = ["urllib3", "packaging"]
 
-rsa_extra_require = [
-    "rsa>=3.1.4,<5; python_version < '3.11'",
-    "rsa>=4.0,<5; python_version >= '3.11'",
-]
+rsa_extra_require = ["rsa>=4.0,<5"]
 
 # Unit test requirements.
 testing_extra_require = [

packages/google-auth/testing/constraints-extras-3.10.txt

@@ -6,6 +6,6 @@ cryptography==41.0.5
 pyjwt==2.0
 pyopenssl==23.2.0
 pyu2f==0.1.5
-rsa==3.1.4
+rsa==4.0
 aiohttp==3.8.0
 requests==2.20.0