Support optional inputs for pipeline steps

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/pipelines/__init__.py

@@ -56,6 +56,7 @@ def __init__(
         run_instance: PipelineRun = None,
         selected_groups: List = None,
         selected_steps: List = None,
+        **kwargs,
     ):
         """Load the Pipeline class."""
         self.run = run_instance
@@ -68,6 +69,9 @@ def __init__(
         self.execution_log = []
         self.current_step = ""
 
+        # Optional args used as input in downstream pipeline steps
+        self.inputs = kwargs
+
     def append_to_log(self, message):
         if self.run and self.run.pipeline.live_logging:
             self.run.append_to_log(message)