chore(deps): update dependency langchain-core to v0.3.76

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

requirements-llm.txt

@@ -241,7 +241,7 @@ jsonschema-specifications==2024.10.1
     #   jsonschema
 langchain==0.3.20
     # via garak
-langchain-core==0.3.41
+langchain-core==0.3.76
     # via
     #   langchain
     #   langchain-text-splitters