community[patch],core[patch]: Update EdenaiTool root_validator and add unit test in core (#25233)

This PR gets rid `root_validators(allow_reuse=True)` logic used in
EdenAI Tool in preparation for pydantic 2 upgrade.
- add another test to secret_from_env_factory

libs/community/tests/unit_tests/tools/eden_ai/test_tools.py

@@ -6,7 +6,9 @@ import pytest
 from langchain_community.tools.edenai import EdenAiTextModerationTool
 
 tool = EdenAiTextModerationTool(  # type: ignore[call-arg]
-    providers=["openai"], language="en", edenai_api_key="fake_key"
+    providers=["openai"],
+    language="en",
+    edenai_api_key="fake_key",  # type: ignore[arg-type]
 )