build(deps): update slim/psr7 requirement (#2713)

Updates the requirements on [slim/psr7](https://github.com/slimphp/Slim-Psr7) to permit the latest version.

Updates `slim/psr7` to 1.8.0
- [Release notes](https://github.com/slimphp/Slim-Psr7/releases)
- [Commits](slimphp/Slim-Psr7@1.7.1...1.8.0)

---
updated-dependencies:
- dependency-name: slim/psr7
  dependency-version: 1.8.0
  dependency-type: direct:production
  dependency-group: composer-production-dependencies
...

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

Author: dependabot[bot]

src/quote/composer.json

@@ -18,7 +18,7 @@
         "php-di/slim-bridge": "3.4.1",
         "php-http/guzzle7-adapter": "1.1.0",
         "react/http": "v1.11.0",
-        "slim/psr7": "1.7.1",
+        "slim/psr7": "1.8.0",
         "slim/slim": "4.15.0"
     },
     "autoload": {