[schema][algorithm][v1] Put back missing schema_version

While refactoring the field got lost in the v1 schema.
3 jobs for fix_schema_v1 in 27 minutes and 46 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #152060
docker
build_linux_36

00:05:17

57.0%
passed #152061
macosx
build_macosx_36

00:05:31

57.0%
 
  Docker
passed #152062
docker-build
docker_linux_36

00:22:15

72.0%