fix(deps): update module golang.org/x/oauth2 to v0.15.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
golang.org/x/oauth2	require	minor	v0.14.0 -> v0.15.0

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ba51ac6) 64.36% compared to head (0299330) 64.36%.

❗ Current head 0299330 differs from pull request most recent head 0f5bc91. Consider uploading reports for the commit 0f5bc91 to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##           master      #91   +/-   ##
=======================================
  Coverage   64.36%   64.36%           
=======================================
  Files          21       21           
  Lines        1103     1103           
=======================================
  Hits          710      710           
  Misses        209      209           
  Partials      184      184           

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