refactor(datasource): Enforce getName usage (#9524)

lib/datasource/cdnjs/__snapshots__/index.spec.ts.snap

lib/datasource/cdnjs/index.spec.ts

lib/datasource/crate/__snapshots__/index.spec.ts.snap

lib/datasource/crate/index.spec.ts

lib/datasource/dart/__snapshots__/index.spec.ts.snap

lib/datasource/dart/index.spec.ts

lib/datasource/galaxy/__snapshots__/index.spec.ts.snap

lib/datasource/galaxy/index.spec.ts

lib/datasource/git-refs/__snapshots__/index.spec.ts.snap

lib/datasource/git-refs/index.spec.ts

lib/datasource/git-tags/__snapshots__/index.spec.ts.snap

lib/datasource/git-tags/index.spec.ts

...tasource/github-releases/__snapshots__/index.spec.ts.snap

lib/datasource/github-releases/index.spec.ts

lib/datasource/github-tags/__snapshots__/index.spec.ts.snap

lib/datasource/github-tags/index.spec.ts

lib/datasource/gitlab-tags/__snapshots__/index.spec.ts.snap

lib/datasource/gitlab-tags/index.spec.ts

lib/datasource/go/__snapshots__/index.spec.ts.snap

lib/datasource/go/index.spec.ts