Bump oauth from 1.1.3 to 1.1.6

Bump oauth from 1.1.3 to 1.1.6

Bumps [oauth](https://github.com/ruby-oauth/oauth) from 1.1.3 to 1.1.6.
- [Release notes](https://github.com/ruby-oauth/oauth/releases)
- [Changelog](https://github.com/ruby-oauth/oauth/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ruby-oauth/oauth/compare/v1.1.3...v1.1.6)

---
updated-dependencies:
- dependency-name: oauth
  dependency-version: 1.1.6
  dependency-type: indirect
...

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