Bump assets/cf-redis-example-app from `4001ff4` to `4db1fb8`
Bump assets/cf-redis-example-app from `4001ff4` to `4db1fb8`

Bumps [assets/cf-redis-example-app](https://github.com/pivotal-cf/cf-redis-example-app) from `4001ff4` to `4db1fb8`.
- [Release notes](https://github.com/pivotal-cf/cf-redis-example-app/releases)
- [Commits](https://github.com/pivotal-cf/cf-redis-example-app/compare/4001ff42a2f7d12d2da29046f84354630092e1c8...4db1fb8d9b0359448f4c060db49265691b077017)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
pivotal-cf/cf-redis-smoke-tests,pivotal-cf/cf-redis-smoke-tests