[Security] Bump sprockets from 3.7.1 to 3.7.2 (#453)
[Security] Bump sprockets from 3.7.1 to 3.7.2 (#453)

Bumps [sprockets](http://getsprockets.org/) from 3.7.1 to 3.7.2. **This update includes security fixes.**

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
ontohub/ontohub-backend,ontohub/ontohub-backend,ontohub/ontohub-backend,ontohub/ontohub-backend