Failed to execute git checkout '7125ed7ef7f397e1976664af3c2c3cf233b88fc3' -- && git reset --hard '7125ed7ef7f397e1976664af3c2c3cf233b88fc3' --
fatal: reference is not a tree: 7125ed7ef7f397e1976664af3c2c3cf233b88fc3
It looks like the commit hash is not available in the repository, maybe the tag was recreated? Run "composer update shopware/shopware" to resolve this.