Fix release tag

Author: psomhorst

.github/workflows/prepare_test_data.yml

@@ -9,7 +9,7 @@ on:
 
 env:
     ZENODO_RECORD_ID: 17423608
-    RELEASE_TAG: testdata-zenodo.17423608
+    RELEASE_TAG: testdata-zenodo.$ZENODO_RECORD_ID
     ARCHIVE_NAME: test_data.tar.zst
 
 jobs: