chore: release 1.17.1 (#529)

:robot: I have created a release \*beep\* \*boop\* 
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### [1.17.1](https://www.github.com/googleapis/google-auth-library-python/compare/v1.17.0...v1.17.1) (2020-06-11)


### Bug Fixes

* narrow acceptable RSA versions to maintain Python 2 compatability ([#528](https://www.github.com/googleapis/google-auth-library-python/issues/528)) ([9434868](https://www.github.com/googleapis/google-auth-library-python/commit/9434868a6789464549af1d4562f62d8a899b6809))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please).
diff --git a/setup.py b/setup.py
index 0762da8..a278ac2 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
 with io.open("README.rst", "r") as fh:
     long_description = fh.read()
 
-version = "1.17.0"
+version = "1.17.1"
 
 setup(
     name="google-auth",