Add LangWatch Integration (#2608)

* First implementation of LangWatch tracer

* Update to langwatch 0.1.4 to use root span for better control of the all-wrapping trace, workaround for llm not being used for an actual call and better ids on langwatch ui

* Remove dependency from backend base internal and add langwatch docs

* [autofix.ci] apply automated fixes

* Fix using session id for metadata, except if the same as flow_id

* Fix wrong error variable and support for python <3.10 is not necessary given langflow pyproject restrictions

* Bump langwatch to v0.1.4

* [autofix.ci] apply automated fixes

* Remove extra line the popped up

* Fix missing log parameter on method

* Fix mypy issues

* Bump langwatch to v0.1.7 to truncate large documents

* Move docs to the right folder

* chore: update lock

* chore: Update clarifai-grpc to version 10.6.4, cohere to version 5.6.1, langwatch to version 0.1.3, and litellm to version 1.41.23

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>

src/backend/base/pyproject.toml

@@ -51,7 +51,7 @@ bcrypt = "4.0.1"
 pillow = "^10.2.0"
 docstring-parser = "^0.16"
 python-jose = "^3.3.0"
-pandas = "2.2.0"
+pandas = "2.2.2"
 multiprocess = "^0.70.14"
 duckdb = "^1.0.0"
 python-docx = "^1.1.0"
@@ -73,6 +73,7 @@ prometheus-client = "^0.20.0"
 aiofiles = "^24.1.0"
 crewai = "^0.36.0"
 setuptools = ">=70"
+langwatch = "^0.1.3"
 
 [tool.poetry.extras]
 deploy = ["celery", "redis", "flower"]