feat: Switch to `Timestamp` type (#33648)

lib/config/types.ts

lib/modules/datasource/aws-machine-image/index.ts

lib/modules/datasource/bitbucket-tags/index.ts

lib/modules/datasource/bitrise/schema.ts

lib/modules/datasource/cpan/schema.ts

lib/modules/datasource/crate/index.spec.ts

lib/modules/datasource/crate/schema.ts

lib/modules/datasource/custom/schema.ts

lib/modules/datasource/dart/index.ts

lib/modules/datasource/deno/schema.ts

lib/modules/datasource/devbox/schema.ts

lib/modules/datasource/docker/index.ts

lib/modules/datasource/dotnet-version/schema.ts

lib/modules/datasource/endoflife-date/schema.ts

lib/modules/datasource/flutter-version/index.ts

lib/modules/datasource/galaxy-collection/schema.ts

lib/modules/datasource/galaxy/index.ts

lib/modules/datasource/galaxy/schema.ts

lib/modules/datasource/gitea-releases/schema.ts

lib/modules/datasource/gitea-tags/schema.ts