mediawiki -- multiple vulnerabilities

Mediawiki reports: T308471 Username is not escaped in the "welcomeuser" message. T308473 Username not escaped in the contributions-title message. T309377, CVE-2022-29248 Update "guzzlehttp/guzzle" to version 6.5.6. T311384, CVE-2022-27776 Update "guzzlehttp/guzzle" to 6.5.8/7.4.5...