Bump sprockets from 3.7.1 to 3.7.2
Bump sprockets from 3.7.1 to 3.7.2

Bumps [sprockets](https://github.com/rails/sprockets) from 3.7.1 to 3.7.2.
- [Release notes](https://github.com/rails/sprockets/releases)
- [Changelog](https://github.com/rails/sprockets/blob/v3.7.2/CHANGELOG.md)
- [Commits](https://github.com/rails/sprockets/compare/v3.7.1...v3.7.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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