Add timestamp for sbom_source_packages

What does this MR do and why?

Add timestamps for the sbom_source_packages table. We need them to be able to ingest data.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Migration

up

rails db:migrate
main: == [advisory_lock_connection] object_id: 183460, pg_backend_pid: 76082
main: == 20240119110912 TimestampForSbomSourcePackages: migrating ===================
main: -- add_column(:sbom_source_packages, :created_at, :datetime_with_timezone, {:default=>#<Proc:0x000000016f4d5560 /Users/tetianachupryna/Documents/gitlab-development-kit/gitlab/db/migrate/20240119110912_timestamp_for_sbom_source_packages.rb:7 (lambda)>, :null=>false})
main:    -> 0.0020s
main: -- add_column(:sbom_source_packages, :updated_at, :datetime_with_timezone, {:default=>#<Proc:0x000000016f4d5560 /Users/tetianachupryna/Documents/gitlab-development-kit/gitlab/db/migrate/20240119110912_timestamp_for_sbom_source_packages.rb:7 (lambda)>, :null=>false})
main:    -> 0.0004s
main: == 20240119110912 TimestampForSbomSourcePackages: migrated (0.0064s) ==========

main: == [advisory_lock_connection] object_id: 183460, pg_backend_pid: 76082
ci: == [advisory_lock_connection] object_id: 183720, pg_backend_pid: 76084
ci: == 20240119110912 TimestampForSbomSourcePackages: migrating ===================
ci: -- add_column(:sbom_source_packages, :created_at, :datetime_with_timezone, {:default=>#<Proc:0x0000000172f9f0b0 /Users/tetianachupryna/Documents/gitlab-development-kit/gitlab/db/migrate/20240119110912_timestamp_for_sbom_source_packages.rb:7 (lambda)>, :null=>false})
ci:    -> 0.0009s
ci: -- add_column(:sbom_source_packages, :updated_at, :datetime_with_timezone, {:default=>#<Proc:0x0000000172f9f0b0 /Users/tetianachupryna/Documents/gitlab-development-kit/gitlab/db/migrate/20240119110912_timestamp_for_sbom_source_packages.rb:7 (lambda)>, :null=>false})
ci:    -> 0.0003s
ci: == 20240119110912 TimestampForSbomSourcePackages: migrated (0.0101s) ==========

ci: == [advisory_lock_connection] object_id: 183720, pg_backend_pid: 76084

down

rails db:rollback:main
main: == [advisory_lock_connection] object_id: 183020, pg_backend_pid: 76822
main: == 20240119110912 TimestampForSbomSourcePackages: reverting ===================
main: -- remove_column(:sbom_source_packages, :created_at)
main:    -> 0.0013s
main: -- remove_column(:sbom_source_packages, :updated_at)
main:    -> 0.0003s
main: == 20240119110912 TimestampForSbomSourcePackages: reverted (0.0055s) ==========

main: == [advisory_lock_connection] object_id: 183020, pg_backend_pid: 76822

Related to #427095 (closed)