databases/redis_exporter: Update 1.71.0 => 1.72.1

Commit log:
https://github.com/oliver006/redis_exporter/compare/v1.71.0...v1.72.1

Changelogs:
https://github.com/oliver006/redis_exporter/releases/tag/v1.72.0
https://github.com/oliver006/redis_exporter/releases/tag/v1.72.1

Remove go version after default go version was increased to 1.24.

PR: 286971