Bump vendor/github.com/rails/sprockets from ceac1ce to 2fe13f2 (#125)

Bumps [vendor/github.com/rails/sprockets](https://github.com/rails/sprockets) from `ceac1ce` to `2fe13f2`.
- [Release notes](https://github.com/rails/sprockets/releases)
- [Commits](rails/sprockets@ceac1ce...2fe13f2)

---
updated-dependencies:
- dependency-name: vendor/github.com/rails/sprockets
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]