chore(deps): Bump golang.org/x/oauth2 from 0.33.0 to 0.34.0 (#75)

Bumps [golang.org/x/oauth2](https://github.com/golang/oauth2) from 0.33.0 to 0.34.0.
- [Commits](golang/oauth2@v0.33.0...v0.34.0)

---
updated-dependencies:
- dependency-name: golang.org/x/oauth2
  dependency-version: 0.34.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -2,4 +2,4 @@ module github.com/beatlabs/github-auth
 
 go 1.24.0
 
-require golang.org/x/oauth2 v0.33.0
+require golang.org/x/oauth2 v0.34.0

go.sum

@@ -1,2 +1,2 @@
-golang.org/x/oauth2 v0.33.0 h1:4Q+qn+E5z8gPRJfmRy7C2gGG3T4jIprK6aSYgTXGRpo=
-golang.org/x/oauth2 v0.33.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
+golang.org/x/oauth2 v0.34.0 h1:hqK/t4AKgbqWkdkcAeI8XLmbK+4m4G5YeQRrmiotGlw=
+golang.org/x/oauth2 v0.34.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=