feat: Add dependency dashboard label configuration (#10601)

docs/usage/configuration-options.md

lib/config/definitions.ts

lib/config/types.ts

lib/platform/gitea/__snapshots__/gitea-helper.spec.ts.snap

lib/platform/gitea/gitea-helper.spec.ts

lib/platform/gitea/gitea-helper.ts

lib/platform/gitea/index.spec.ts

lib/platform/gitea/index.ts

lib/platform/github/__snapshots__/index.spec.ts.snap

lib/platform/github/index.spec.ts

lib/platform/github/index.ts

lib/platform/gitlab/__snapshots__/index.spec.ts.snap

lib/platform/gitlab/index.spec.ts

lib/platform/gitlab/index.ts

lib/platform/types.ts

lib/workers/repository/dependency-dashboard.spec.ts

lib/workers/repository/dependency-dashboard.ts