fix(deps): update module golang.org/x/oauth2 to v0.18.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/oauth2	v0.17.0 -> v0.18.0

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 73.83%. Comparing base (a80575a) to head (6ac65d9).

:exclamation: Current head 6ac65d9 differs from pull request most recent head 8f04fbe. Consider uploading reports for the commit 8f04fbe to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #283 +/- ## ======================================= Coverage 73.83% 73.83% ======================================= Files 57 57 Lines 3275 3275 ======================================= Hits 2418 2418 Misses 538 538 Partials 319 319 ```

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