giscoR 0.6.0

Update with latest data available

• gisco_get_education() and gisco_get_healthcare() gains a new year
  argument: years available now are 2020 and 2023 versions of the dataset.
• gisco_get_nuts() and gisco_get_countries() now can download the 2024
  version of the datasets (#93 @hannesaddec).

What's Changed

• Update internal database to get new versions of the dataset (2024) by @dieghernan in #92

Full Changelog: v0.5.1...v0.6.0