Pin pytest to <8 (#1485)

Closes #1484

## 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:
  - David Gardner (https://github.com/dagardner-nv)

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

URL: #1485

conda/environments/all_cuda-118_arch-x86_64.yaml

@@ -82,7 +82,7 @@ dependencies:
 - pytest-asyncio
 - pytest-benchmark>=4.0
 - pytest-cov
-- pytest=7.4
+- pytest<8
 - python-confluent-kafka=1.9.2
 - python-dotenv=1.0
 - python-graphviz

conda/environments/dev_cuda-118_arch-x86_64.yaml

@@ -66,7 +66,7 @@ dependencies:
 - pytest-asyncio
 - pytest-benchmark>=4.0
 - pytest-cov
-- pytest=7.4
+- pytest<8
 - python-confluent-kafka=1.9.2
 - python-graphviz
 - pytorch-cuda

dependencies.yaml

@@ -277,7 +277,7 @@ dependencies:
       - output_types: [conda]
         packages:
           - nodejs=18.*
-          - pytest=7.4 # 8.0 appears to be incompatible with pytest-asyncio
+          - pytest<8 # work-around issue #1484
           - pytest-asyncio
           - pytest-benchmark>=4.0
           - pytest-cov

docker/conda/environments/cuda11.8_dev.yml

@@ -87,7 +87,7 @@ dependencies:
     - pybind11-stubgen=0.10.5
     - pydot
     - pylint>=2.17.4,<2.18 # 2.17.4 contains a fix for toml support
-    - pytest=7.4
+    - pytest<8 # work-around issue #1484
     - pytest-asyncio
     - pytest-benchmark>=4.0
     - pytest-cov