autogen(docs): regenerate and update changelog

CHANGELOG.md

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 **Table of Contents**
 
-- [Unreleased (2020-09-16)](#unreleased-2020-09-16)
+- [Unreleased (2020-09-17)](#unreleased-2020-09-17)
     - [Bug Fixes](#bug-fixes)
     - [Documentation](#documentation)
     - [Features](#features)
@@ -178,7 +178,7 @@
 
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-# [Unreleased](https://github.com/ory/oathkeeper/compare/v0.38.3-beta.1...0d3967409786c23de8e97f5c588cc4e9837a1550) (2020-09-16)
+# [Unreleased](https://github.com/ory/oathkeeper/compare/v0.38.3-beta.1...a372b5f833305ad85451cfb99b1db9e10ae8b8dc) (2020-09-17)
 
 
 ### Bug Fixes
@@ -205,6 +205,7 @@
 ### Features
 
 * Add and automate version schema ([7ab4012](https://github.com/ory/oathkeeper/commit/7ab40128352eb4e6639fe4828da7bdd3690e327e))
+* Log invalid credentials on info level instead of error/warning ([#517](https://github.com/ory/oathkeeper/issues/517)) ([a372b5f](https://github.com/ory/oathkeeper/commit/a372b5f833305ad85451cfb99b1db9e10ae8b8dc)), closes [#505](https://github.com/ory/oathkeeper/issues/505)
 * Use uri-reference for errors redirect to allow relative urls ([#516](https://github.com/ory/oathkeeper/issues/516)) ([0d39674](https://github.com/ory/oathkeeper/commit/0d3967409786c23de8e97f5c588cc4e9837a1550))