Package guzzle/common is abandoned, you should avoid using it. Use guzzle/guzzle instead.
Package guzzle/stream is abandoned, you should avoid using it. Use guzzle/guzzle instead.
Package guzzle/parser is abandoned, you should avoid using it. Use guzzle/guzzle instead.
Package guzzle/http is abandoned, you should avoid using it. Use guzzle/guzzle instead.
Package guzzle/plugin-cookie is abandoned, you should avoid using it. Use guzzle/guzzle instead.
Would it be possible that you'd update your composer.json accordingly?
Composer remarks:
Would it be possible that you'd update your composer.json accordingly?