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 64.36%. Comparing base (996e2ee) to head (fe4b911).

:exclamation: Current head fe4b911 differs from pull request most recent head f62c6ee. Consider uploading reports for the commit f62c6ee to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #99 +/- ## ======================================= Coverage 64.36% 64.36% ======================================= Files 21 21 Lines 1103 1103 ======================================= Hits 710 710 Misses 209 209 Partials 184 184 ```

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