use gdal directly for gpkg translation

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.04 :tada:

Comparison is base (6322240) 78.63% compared to head (deba6cd) 78.67%.

:exclamation: Current head deba6cd differs from pull request most recent head 3f0a5f2. Consider uploading reports for the commit 3f0a5f2 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #171 +/- ## ========================================== + Coverage 78.63% 78.67% +0.04% ========================================== Files 40 40 Lines 1942 1941 -1 ========================================== Hits 1527 1527 + Misses 415 414 -1 ``` | [Impacted Files](https://app.codecov.io/gh/mapme-initiative/mapme.biodiversity/pull/171?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mapme-initiative) | Coverage Δ | | |---|---|---| | [R/get\_gmw.R](https://app.codecov.io/gh/mapme-initiative/mapme.biodiversity/pull/171?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mapme-initiative#diff-Ui9nZXRfZ213LlI=) | `32.50% <0.00%> (+0.79%)` | :arrow_up: |

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