chore(deps): bump litellm from 1.43.18 to 1.43.19 (#3516)

Bumps [litellm](https://github.com/BerriAI/litellm) from 1.43.18 to 1.43.19.
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](https://github.com/BerriAI/litellm/compare/v1.43.18...v1.43.19)

---
updated-dependencies:
- dependency-name: litellm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

poetry.lock

@@ -3592,13 +3592,13 @@ types-tqdm = "*"
 
 [[package]]
 name = "litellm"
-version = "1.43.18"
+version = "1.43.19"
 description = "Library to easily interface with LLM API providers"
 optional = false
 python-versions = "!=2.7.*,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,>=3.8"
 files = [
-    {file = "litellm-1.43.18-py3-none-any.whl", hash = "sha256:68d853b4a0198a16e2260e4406a20f8d2e59bd903e019b7f3ba5a9f35ecc3e62"},
-    {file = "litellm-1.43.18.tar.gz", hash = "sha256:e22b20065b62663dd060be9da1e84ca05903931c41c49d35a98649ed09e79d29"},
+    {file = "litellm-1.43.19-py3-none-any.whl", hash = "sha256:f66bfe9c8b91577af57a5d1203728abc9b59df38a545148b7e85dec903185c12"},
+    {file = "litellm-1.43.19.tar.gz", hash = "sha256:b1f475f98073632f0cea6d814bb10b14b6498e5ff93b91b52dfc00445bf013ab"},
 ]
 
 [package.dependencies]