fix: add toml to test dependency group for docs-scripts CI

python_ref_builder imports toml which is not a transitive dependency of any workspace package. Adding it to the test group so the docs-scripts-tests CI job can find it.

JIRA: trivial
risk: nonprod

Author: hkad98

pyproject.toml

@@ -48,6 +48,8 @@ type = [
 test = [
     # Common test dependencies used across all workspace packages
     "pytest~=8.3.4",
+    # Required by scripts/docs/ tests (python_ref_builder uses toml)
+    "toml~=0.10.2",
     "pytest-cov~=6.0.0",
     "pytest-json-report==1.5.0",
     # Additional test dependencies used by multiple packages