Update dependency langchain-core to v0.3.68

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

Author: red-hat-konflux[bot]

requirements-aarch64.txt

@@ -255,7 +255,7 @@ jwcrypto==1.5.6
     #   django-oauth-toolkit
 langchain==0.3.10
     # via -r requirements.in
-langchain-core==0.3.22
+langchain-core==0.3.68
     # via
     #   langchain
     #   langchain-ollama

requirements-x86_64.txt

@@ -255,7 +255,7 @@ jwcrypto==1.5.6
     #   django-oauth-toolkit
 langchain==0.3.10
     # via -r requirements.in
-langchain-core==0.3.22
+langchain-core==0.3.68
     # via
     #   langchain
     #   langchain-ollama