deps: Guard failedDependency against requiredBy not existing
deps: Guard failedDependency against requiredBy not existing

Credit: da39a3ee5e6b4b0d3255bfef95601890afd80709@iarna
PR-URL: https://github.com/npm/npm/pull/12775

chadnickbok/npm,misterbyrne/npm,DaveEmmerson/npm,evocateur/npm,misterbyrne/npm,chadnickbok/npm,misterbyrne/npm,chadnickbok/npm,DaveEmmerson/npm,evocateur/npm,DaveEmmerson/npm,Volune/npm,Volune/npm,evocateur/npm,Volune/npm