refactor(npm): update locked dep file structure (#13103)

lib/manager/npm/post-update/index.ts

...update/locked-dependency/common/__fixtures__/express.json

...pendency/common/__snapshots__/parent-version.spec.ts.snap

...pm/update/locked-dependency/common/parent-version.spec.ts

...ger/npm/update/locked-dependency/common/parent-version.ts

lib/manager/npm/update/locked-dependency/index.spec.ts

lib/manager/npm/update/locked-dependency/index.ts

.../locked-dependency/package-lock/__fixtures__/accepts.json

.../locked-dependency/package-lock/__fixtures__/express.json

...ate/locked-dependency/package-lock/__fixtures__/mime.json

...ed-dependency/package-lock/__fixtures__/package-lock.json

.../locked-dependency/package-lock/__fixtures__/package.json

...ate/locked-dependency/package-lock/__fixtures__/send.json

...ed-dependency/package-lock/__fixtures__/serve-static.json

.../locked-dependency/package-lock/__fixtures__/type-is.json

...y/package-lock/__snapshots__/dep-constraints.spec.ts.snap

...ndency/package-lock/__snapshots__/get-locked.spec.ts.snap

...te/locked-dependency/package-lock/dep-constraints.spec.ts

.../update/locked-dependency/package-lock/dep-constraints.ts

.../update/locked-dependency/package-lock/get-locked.spec.ts