chore(deps): update webmock requirement from ~> 3.25.0 to ~> 3.26.0 (#641)

Updates the requirements on [webmock](https://github.com/bblimke/webmock) to permit the latest version.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](bblimke/webmock@v3.25.0...v3.26.0)

---
updated-dependencies:
- dependency-name: webmock
  dependency-version: 3.26.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile

@@ -11,5 +11,5 @@ gem 'rake', '~> 13.0'
 gem 'rubocop', '1.81.6'
 gem 'simplecov'
 gem 'steep', '~> 1.9.3'
-gem 'webmock', '~> 3.25.0'
+gem 'webmock', '~> 3.26.0'
 gem 'yard', '~> 0.9.11'