Release langchain-fireworks==0.1.4

Changes since langchain-fireworks==0.1.3

fireworks[patch]: Release 0.1.4 (#23654)
openai, anthropic, ...: with_structured_output to pass in explicit tool choice (#23645)
partners[minor]: Fix value error message for with_structured_output (#22877)
fireworks[patch]: fix api_key alias in Fireworks LLM (#23118)
openai[patch], standard-tests[patch]: don't pass in falsey stop vals (#23153)
standard-tests[patch]: Update chat model standard tests (#22378)
fireworks[patch]: add usage_metadata to (a)invoke and (a)stream (#22906)
multiple: implement ls_params (#22621)
multiple: add stop attribute (#22573)
core, partners: add token usage attribute to AIMessage (#21944)
core, standard tests, partner packages: add test for model params (#21677)