Bump requests-oauthlib from 1.3.0 to 1.3.1 (#1636)

* Bump requests-oauthlib from 1.3.0 to 1.3.1

Bumps [requests-oauthlib](https://github.com/requests/requests-oauthlib) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/requests/requests-oauthlib/releases)
- [Changelog](https://github.com/requests/requests-oauthlib/blob/master/HISTORY.rst)
- [Commits](https://github.com/requests/requests-oauthlib/compare/v1.3.0...v1.3.1)

---
updated-dependencies:
- dependency-name: requests-oauthlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update requests-oauthlib==1.3.1

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/requests_oauthlib/compliance_fixes/ebay.py

@@ -0,0 +1,23 @@
+import json
+from oauthlib.common import to_unicode
+
+
+def ebay_compliance_fix(session):
+    def _compliance_fix(response):
+        token = json.loads(response.text)
+
+        # eBay responds with non-compliant token types.
+        # https://developer.ebay.com/api-docs/static/oauth-client-credentials-grant.html
+        # https://developer.ebay.com/api-docs/static/oauth-auth-code-grant-request.html
+        # Modify these to be "Bearer".
+        if token.get("token_type") in ["Application Access Token", "User Access Token"]:
+            token["token_type"] = "Bearer"
+            fixed_token = json.dumps(token)
+            response._content = to_unicode(fixed_token).encode("utf-8")
+
+        return response
+
+    session.register_compliance_hook("access_token_response", _compliance_fix)
+    session.register_compliance_hook("refresh_token_response", _compliance_fix)
+
+    return session