build(deps): bump guzzlehttp/psr7 from 1.7.0 to 1.8.1
build(deps): bump guzzlehttp/psr7 from 1.7.0 to 1.8.1

Bumps [guzzlehttp/psr7](https://github.com/guzzle/psr7) from 1.7.0 to 1.8.1.
- [Release notes](https://github.com/guzzle/psr7/releases)
- [Changelog](https://github.com/guzzle/psr7/blob/master/CHANGELOG.md)
- [Commits](https://github.com/guzzle/psr7/compare/1.7.0...1.8.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
leocavalcante/siler