issue apache#50206: add more template_fields to RunPipelineJobOperator

the fields "template_path", "pipeline_root", "parameter_values", "service_account" where added to allow jinja templating these args.

Author: ferenc-hechler

providers/google/src/airflow/providers/google/cloud/operators/vertex_ai/pipeline_job.py

@@ -112,6 +112,10 @@ class RunPipelineJobOperator(GoogleCloudBaseOperator):
         "project_id",
         "input_artifacts",
         "impersonation_chain",
+        "template_path",
+        "pipeline_root",
+        "parameter_values",
+        "service_account",
     ]
     operator_extra_links = (VertexAIPipelineJobLink(),)