refactor: PackageFile types (#20498)

lib/modules/manager/batect/extract.spec.ts

lib/modules/manager/batect/extract.ts

lib/modules/manager/flux/extract.ts

lib/modules/manager/gitlabci/extract.ts

lib/modules/manager/gradle/extract.ts

lib/modules/manager/index.ts

lib/modules/manager/maven/__snapshots__/extract.spec.ts.snap

lib/modules/manager/maven/extract.spec.ts

lib/modules/manager/maven/extract.ts

lib/modules/manager/maven/index.spec.ts

lib/modules/manager/npm/extract/index.ts

lib/modules/manager/npm/extract/locked-versions.spec.ts

lib/modules/manager/npm/extract/locked-versions.ts

lib/modules/manager/npm/extract/monorepo.spec.ts

lib/modules/manager/npm/extract/monorepo.ts

lib/modules/manager/npm/extract/pnpm.ts

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

lib/modules/manager/npm/post-update/lerna.ts

lib/modules/manager/npm/post-update/types.ts

lib/modules/manager/pub/extract.spec.ts