langchain langchain-openai==1.6.7

Changes since langchain-openai==1.6.6 release(openai): 1.6.7 (#40933) chore(model-profiles): refresh model profile data (#40924) test(openai): drop retired completions live tests (#40910) chore(model-profiles): refresh model profile data (#40869) feat(openai): discover Azure workload identity (#40532)