[TASK] Skip country translations in crowdin

As the translations are shipped within the core, those files must not be
translated via crowdin.

Resolves: #99644
Related: #99618
Releases: main
Change-Id: Iecafe06f15d1c6ad89f1fb848b03c98dc6af7e23
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77500


Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Benni Mack <benni@typo3.org>

.crowdin.yaml

 files:
   - source: /typo3/sysext/*/Resources/Private/Language/
     translation: '%original_path%/%two_letters_code%.%original_file_name%'
+    ignore: /typo3/sysext/core/Resources/Private/Language/Iso/