WIP: Refactoring `artifacts` to `artifacts_archive` and `metadata` to `artifacts_archive_metadata`

What does this MR do?

This MR refactors the artifacts to artifacts_archive and metadata to artifacts_archive_metadata.

More specifically, this refactoring is done by the following convention.

• ArtifactMigratable#artifacts_file -> ArtifactMigratable#artifacts_archive_file
• ArtifactMigratable#artifacts_metadata -> ArtifactMigratable#artifacts_archive_metadata
• ArtifactMigratable#artifacts? -> ArtifactMigratable#artifacts_archive?
• ArtifactMigratable#artifacts_metadata? -> ArtifactMigratable#artifacts_archive_metadata?
• ArtifactMigratable#remove_artifacts_file! -> ArtifactMigratable#remove_artifacts_archive_file!
• ArtifactMigratable#remove_artifacts_metadata! -> ArtifactMigratable#remove_artifacts_archive_metadata!
• Ci::JobArtifact.file_type.metadata -> Ci::JobArtifact.file_type.archive_metadata
• Ci::Build#artifacts_metadata_entry -> Ci::Build#artifacts_archive_metadata_entry
• Ci::Pipeline#latest_builds_with_artifacts -> Ci::Pipeline#latest_builds_with_artifacts_archive

What are the relevant issue numbers?

Close https://gitlab.com/gitlab-org/gitlab-ce/issues/49268

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides