Add 2024 Data and MC test files

PR Description

Addressing #1 (closed): in this PR I'm adding 1 data (from Tau Run2024D) and 1 MC (from ggHH SM sample) test files. Both are from NanoV15 version.

FYI @jleonhol @jmotta @evsanche @cepeda @cmartinp @fbilandz