dev-perl/RedisDB: Bump to version 2.540.0

dev-perl/RedisDB: Bump to version 2.540.0

- EAPI6
- Enable Parallel tests
- Weakly coerce redis-server installation for testing
- Add USE=examples
- Add missing CPAN remote-id's

Upstream:
- Add support for redis-cluster
- Fix node information storage
- disable debug output by default
- Add command method
- Add support for commands which have key after the first argument
- Add wrappers for redis commands
- Fix race conditions in tests
- Add support for redis sentinel
- Add Test::RedisDB
- Add support for redis URL's
- Fix for OpenBSD 64bit time_t
- Add subsecond timeouts
- Fix handling of disconnects with raise_error off

Package-Manager: Portage-2.3.18, Repoman-2.3.6