Disables verbose printing in conftest.py (#3291)

# Description

The test priniting, sometimes gets super verbose and non-readable when
isaacsim or kit are in bad state.
since we only care about failure test cases and those printing, we can
disable --verbose flag

## Type of change

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applicable. -->

- Bug fix (non-breaking change which fixes an issue)
- New feature (non-breaking change which adds functionality)
- Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- This change requires a documentation update

## Screenshots

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## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

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---------
Co-authored-by: Kelly Guo <kellyguo123@hotmail.com>

.github/workflows/license-exceptions.json

@@ -385,5 +385,10 @@
     "package": "typing-inspection",
     "license" : "UNKNOWN",
     "comment": "MIT"
+  },
+  {
+    "package": "ml_dtypes",
+    "license" : "UNKNOWN",
+    "comment": "Apache 2.0"
   }
 ]

tools/conftest.py

@@ -159,7 +159,6 @@ def run_individual_tests(test_files, workspace_root, isaacsim_ci):
             "-c",
             f"{workspace_root}/pytest.ini",
             f"--junitxml=tests/test-reports-{str(file_name)}.xml",
-            "--verbose",
             "--tb=short",
         ]