fix(php): continue searching sibling directories in _find_copy_target - #2181

fix(php): continue searching sibling directories in _find_copy_target#2181

JoeWang1127 merged 3 commits into

googleapis:mastergoogleapis/synthtool:masterfrom

JoeWang1127:fix/copy-targetJoeWang1127/synthtool:fix/copy-targetCopy head branch name to clipboard