[CI] Require transformers 5.19 for the EmbeddingGemma2 registry test (#60295)

Signed-off-by: khluu <khluu000@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Andreas Karatzas <akaratza@amd.com>

tests/models/registry.py

@@ -583,7 +583,7 @@ _EMBEDDING_EXAMPLE_MODELS = {
     ),
     "EmbeddingGemma2Model": _HfExamplesInfo(
         "google/embeddinggemma-2",
-        min_transformers_version="5.18.0",
+        min_transformers_version="5.19.0",
         is_available_online=False,
     ),
     "Gemma2Model": _HfExamplesInfo("BAAI/bge-multilingual-gemma2"),