Avoid double warnings about composer.json when running outdated, fixes #8958
Avoid double warnings about composer.json when running outdated, fixes #8958

localheinz/composer,floverdevel/composer,nicolas-grekas/composer,fabpot/composer,milleruk/composer,johnstevenson/composer,stof/composer,composer/composer,staabm/composer,naderman/composer,pierredup/composer,alcohol/composer,stefangr/composer