Adding missing dependency on pydantic (nv-morpheus#1535)

Adding missing dependency on pydantic

## By Submitting this PR I confirm:
- I am familiar with the [Contributing Guidelines](https://github.com/nv-morpheus/Morpheus/blob/main/docs/source/developer_guide/contributing.md).
- When the PR is ready for review, new or existing tests cover these changes.
- When the PR is ready for review, the documentation is up to date with these changes.

Authors:
  - https://github.com/yuchenz427

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: nv-morpheus#1535

conda/environments/all_cuda-121_arch-x86_64.yaml

@@ -78,6 +78,7 @@ dependencies:
 - pre-commit
 - protobuf=4.24
 - pybind11-stubgen=0.10.5
+- pydantic
 - pylint=3.0.3
 - pypdf=3.17.4
 - pytest-asyncio

conda/environments/dev_cuda-121_arch-x86_64.yaml

@@ -60,6 +60,7 @@ dependencies:
 - pre-commit
 - protobuf=4.24
 - pybind11-stubgen=0.10.5
+- pydantic
 - pylint=3.0.3
 - pytest-asyncio
 - pytest-benchmark=4.0

conda/environments/examples_cuda-121_arch-x86_64.yaml

@@ -39,6 +39,7 @@ dependencies:
 - openai=1.13
 - papermill=2.4.0
 - pip
+- pydantic
 - pypdf=3.17.4
 - python-confluent-kafka>=1.9.2,<1.10.0a0
 - python-graphviz

conda/environments/runtime_cuda-121_arch-x86_64.yaml

@@ -22,6 +22,7 @@ dependencies:
 - numpydoc=1.5
 - nvtabular=23.08.00
 - pip
+- pydantic
 - python-confluent-kafka>=1.9.2,<1.10.0a0
 - python-graphviz
 - python=3.10

dependencies.yaml

@@ -256,6 +256,7 @@ dependencies:
           - mlflow=2.9.2
           - networkx=2.8.8
           - nvtabular=23.08.00
+          - pydantic
           - python-confluent-kafka>=1.9.2,<1.10.0a0
           - python-graphviz
           - pytorch-cuda